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173-584: The legitimacy of an emperor's rule depended on his control of the Roman army and recognition by the Senate ; an emperor would normally be proclaimed by his troops, or by the Senate, or both. The first emperors reigned alone; later emperors would sometimes rule with co-emperors to secure the succession or to divide the administration of the empire between them. The office of emperor was thought to be distinct from that of

346-513: A rex ('king'). Augustus, the first emperor, resolutely refused recognition as a monarch. For the first three hundred years of Roman emperors, efforts were made to portray the emperors as leaders of the Republic, fearing any association with the kings who ruled Rome prior to the Republic. From Diocletian , whose reformed tetrarchy divided the position into one emperor in the West and one in

519-605: A theocracy . According to George Ostrogorsky , "the absolute power of the Roman emperor was further increased with the advent of Christian ideas". This became more evident after the Muslim conquests of the 7th century, which gave Byzantine imperialism a new sense of purpose. The emperor was the subject of a series of rites and ceremonies, including a formal coronation performed by the Patriarch of Constantinople . The Byzantine state

692-523: A tragedy in Greek , at age 14. Additionally, in the course of his life, he wrote numerous poems, most of which are lost. He was also known as a notable orator ; though he professed himself a follower of Cicero , Pliny's prose was more magniloquent and less direct than Cicero's. Pliny's only oration that now survives is the Panegyricus Traiani . This was delivered in the Senate in 100 and

865-464: A 50-year period that almost saw the end of the Roman Empire. The last vestiges of Republicanism were lost in the ensuing anarchy. In 238, the Senate attempted to regain power by proclaiming Pupienus and Balbinus as their own emperors (the first time since Nerva ). They managed to usurp power from Maximinus Thrax , but they were killed within two months. With the rise of the "soldier emperors",

1038-432: A beacon on the path posterity should follow would be equally effective without appearing presumptuous. The largest surviving body of Pliny's work is his Epistulae ( Letters ), a series of personal missives directed to his friends and associates. These letters are a unique testimony of Roman administrative history and everyday life in the 1st century AD. Especially noteworthy among the letters are two in which he describes

1211-563: A cavalry contingent attached). Around 80 AD, a minority of auxiliary regiments were doubled in size. Until about 68 AD, the auxilia were recruited by a mix of conscription and voluntary enlistment. After that time, the auxilia became largely a volunteer corps, with conscription resorted to only in emergencies. Auxiliaries were required to serve a minimum of 25 years, although many served for longer periods. On completion of their minimum term, auxiliaries were awarded Roman citizenship, which carried important legal, fiscal and social advantages. Alongside

1384-868: A core of units which were both professional and disciplined. It contained formidable guards units such as the Varangians , the Athanatoi , a unit of heavy cavalry stationed in Constantinople , the Vardariotai and the Archontopouloi , recruited by Alexios from the sons of dead Byzantine officers, foreign mercenary regiments, and also units of professional soldiers recruited from the provinces. These provincial troops included kataphraktoi cavalry from Macedonia, Thessaly and Thrace, and various other provincial forces such as Trebizond archers from

1557-545: A court title bestowed to prominent figures of the government, and lost even more relevance after the creation of the title sebastokrator by Alexios I Komnenos . Despite this, its regular use by earlier emperors led to the name becoming synonym with "emperor" in certain regions. Several countries use Caesar as the origin of their word for "emperor", like Kaiser in Germany and Tsar in Bulgaria and Russia . After

1730-447: A direct two-way vote. Pliny supported acquittal but anticipated that first guilt and then execution would be chosen under the traditional rules, and so he argued for a novel three-way plurality vote, which would have resulted in acquittal. In response, those in favor of execution withdrew their proposal, the vote defaulted to a traditional majority vote between exile and acquittal, and exile carried. The first edition of Pliny's Epistles

1903-541: A family name ( nomen ), styling himself as Imp. Caesar instead of Imp. Julius Caesar . However, the nomen was still inherited by women (such as Julia the Younger ) and appear in some inscriptions. After the death of Caligula , Augustus' great-grandson, his uncle Claudius was proclaimed emperor. He was not an official member of the Julia gens , but he was the grandson of Octavia , Augustus' sister, and thus still part of

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2076-579: A great teacher and author, and Nicetes Sacerdos of Smyrna. It was at this time that Pliny became closer to his uncle Pliny the Elder. When Pliny the Younger was 17 or 18 in 79 AD, his uncle Pliny the Elder died attempting to rescue victims of the Vesuvius eruption , and the terms of the Elder Pliny's will passed his estate to his nephew. In the same document, the younger Pliny was adopted by his uncle. As

2249-553: A hill, and, another, "Comedy," on the shores of the lake, so called because it was sited low down, referencing the practice of actors in comedy wearing flat shoes, while those in tragedy wore high-heeled buskins . Pliny's main estate in Italy and the one he loved best was his Villa "in Tuscis" near San Giustino , Umbria, under the passes of Bocca Trabaria and Bocca Serriola, where wood was harvested for Roman ships and sent to Rome via

2422-436: A legal investigation of Christians and thus consulted Trajan in order to be on solid ground regarding his actions. Pliny saved his letters and Trajan's replies and these are the earliest surviving Roman documents to refer to early Christians. Voting theorists and historians of social choice note Pliny's early mention of how the choice of voting procedure could influence the outcome of an election. On June 24, 105, Pliny wrote

2595-451: A letter to Titius Aristo , where he describes a criminal trial: under the traditional rules of the Senate, there would first be a vote on guilt and then (if the accused were found guilty) on punishment, for which execution and exile were proposed. Of the three distinct proposals, acquittal, exile, and execution, acquittal had the largest number of supporters but not a majority, although exile would have defeated either acquittal or execution in

2768-417: A mixed conscript and volunteer corps serving an average of 10 years, to all-volunteer units of long-term professionals serving a standard 25-year term (conscription was only decreed in emergencies). In the later 1st century, the size of a legion's First Cohort was doubled, increasing legionary personnel to c. 5,500. Alongside the legions, Augustus established the auxilia , a regular corps of similar numbers to

2941-469: A new caesar . Each pair ruled over a half of the Empire, which led to the creation of a Western and Eastern Roman Empire , a division that eventually became permanent. This division had already a precedent in the joint rule of Valerian / Gallienus and Carus / Carinus . Diocletian justified his rule not by military power, but by claiming divine right . He imitated Oriental divine kingship and encouraged

3114-413: A non-citizen formation of roughly equal size, the ala , recruited from Rome's Italian allies, or socii . The latter were approximately 150 autonomous states which were bound by a treaty of perpetual military alliance with Rome. Their sole obligation was to supply to the Roman army, on demand, a number of fully equipped troops up to a specified maximum each year. The Second Punic War (218–201 BC) saw

3287-515: A position later termed Caesaropapism . In practice, an emperor's authority on Church matters was frequently subject to challenge. The Western Roman Empire collapsed in the late 5th century after multiple invasions by Germanic barbarian tribes, with no recognised claimant to Emperor of the West remaining after the death of Julius Nepos in 480. Instead the Eastern emperor Zeno proclaimed himself as

3460-444: A provincial governor's police force. As a large, disciplined and skilled force of fit men, they played a crucial role in the construction of a province's Roman military and civil infrastructure: in addition to constructing forts and fortified defences such as Hadrian's Wall , they built roads, bridges, ports, public buildings, entire new cities (Roman colonies), and also engaged in large-scale forest clearance and marsh drainage to expand

3633-488: A regime in which the notion of legitimacy is as absent as that of the Augustan principate". Imperial propaganda was often used to legitimize or de-legitimize certain emperors. The Chronicon Paschale , for example, describes Licinius as having been killed like "those who had briefly been usurpers before him". In reality, Licinius was the legitimate emperor of the West (having been appointed by Galerius ), while Constantine

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3806-469: A result, Pliny the Younger changed his name from Gaius Caecilius Cilo to Gaius Plinius Caecilius Secundus (his official title was Gaius Plinius Luci filius Caecilius Secundus ). There is some evidence that Pliny had a sibling. A memorial erected in Como (now CIL V, 5279 ) repeats the terms of a will by which the aedile Lucius Caecilius Cilo, son of Lucius, established a fund, the interest of which

3979-576: A single, large mass (the phalanx ) as in the Early Roman army , the Romans now drew up in three lines consisting of small units (maniples) of 120 men, arrayed in chessboard fashion, giving much greater tactical strength and flexibility. This structure was probably introduced in c. 300 BC during the Samnite Wars . Also probably dating from this period was the regular accompaniment of each legion by

4152-481: A united force in periods of serious external threat. Around 550 BC, during the period conventionally known as the rule of king Servius Tullius , it appears that a universal levy of eligible adult male citizens was instituted. This development apparently coincided with the introduction of heavy armour for most of the infantry. Although originally low in numbers, the Roman infantry was extremely effective and developed some influential battle strategies. The early Roman army

4325-559: Is a description of Trajan 's figure and actions in an adulatory and emphatic form, especially contrasting him with the Emperor Domitian . It is, however, a relevant document that reveals many details about the Emperor's actions in several fields of his administrative power such as taxes, justice, military discipline, and commerce. Recalling the speech in one of his letters, Pliny shrewdly defines his own motives thus: I hoped in

4498-487: Is commonly considered as a summary of the main Roman public charges and is the best-documented example from this period, offering proof for many aspects of imperial culture. Effectively, Pliny crossed all the principal fields of the organization of the early Roman Empire. It is an achievement for a man to have not only survived the reigns of several disparate emperors, especially the much-detested Domitian , but also to have risen in rank throughout. Pliny wrote his first work,

4671-558: Is known as the Dominate , derived from the title dominus ("lord") adopted by Diocletian . During his rule, the emperor became an absolute ruler and the regime became even more monarchical. The emperors adopted the diadem crown as their supreme symbol of power, abandoning the subtleties of the early Empire. Beginning in the late 2nd century, the Empire began to suffer a series of political and economic crises, partially because it had overexpanded so much. The Pax Romana ("Roman peace")

4844-631: Is often said to have ended with the tyrannical reign of Commodus. His murder was followed by the accession of Septimius Severus , the victor of the Year of the Five Emperors . It was during his reign that the role of the army grew even more, and the emperors' power increasingly depended on it. The murder of his last relative, Severus Alexander , led to the Crisis of the Third Century (235–285),

5017-519: Is often said to have followed a " Caesaropapist " model, where the emperor played the role of ruler and head of the Church, but there was often a clear distinction between political and secular power. The line of Eastern emperors continued uninterrupted until the sack of Constantinople and the establishment of the Latin Empire in 1204. This led to the creation of three lines of emperors in exile:

5190-442: Is probably the older son. Pliny the Younger confirms that he was a trustee for the largesse "of my ancestors". It seems unknown to Pliny the Elder, so Valens' mother was probably not his sister Plinia; perhaps Valens was Lutulla's son from an earlier relationship. Pliny the Younger married three times: first, when he was very young (about 18), to a stepdaughter of Veccius Proculus, who died at age 37; secondly, at an unknown date, to

5363-460: Is still often regarded as a usurper, similarly to Magnus Maximus , who was briefly recognized by Theodosius I . Western emperors such as Magnentius , Eugenius and Magnus Maximus are sometimes called usurpers, but Romulus Augustulus is traditionally regarded as the last Western emperor, despite never receiving the recognition of the Eastern emperor Zeno . The period after the Principate

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5536-412: The primus pilus , was elevated to equestrian rank upon completion of his single-year term of office. The senior officers of the army, the legati legionis (legion commanders), tribuni militum (legion staff officers) and the praefecti (commanders of auxiliary regiments) were all of at least equestrian rank. In the 1st and early 2nd centuries, they were mainly Italian aristocrats performing

5709-468: The Naturalis Historia . Cilo died at an early age when Pliny was still young. As a result, the boy probably lived with his mother. His guardian and preceptor in charge of his education was Lucius Verginius Rufus , famed for quelling a revolt against Nero in 68 AD. After being first tutored at home, Pliny went to Rome for further education. There he was taught rhetoric by Quintilian ,

5882-462: The pomerium ; and use discretionary power whenever necessary. The text further states that he is "not bound by laws", and that any previous act was retroactively considered legitimate. There is no mention of imperium nor tribunicia potestas , although these powers were probably given in the earlier clauses. There is also no mention of any "imperial office", and the title of "emperor" is never used. The imperial titles are treated as inseparable of

6055-633: The Constantinian dynasty , emperors followed Imperator Caesar with Flavius , which also began as a family name but was later incorporated into the emperor's titles, thus becoming Imperator Caesar Flavius . The last use of the formula, rendered as Autokrator Kaisar Flabios... Augoustos (Αὐτοκράτωρ καῖσαρ Φλάβιος αὐγουστος) in Greek, is in the Basilika of Leo VI the Wise (r. 886–912). Originally

6228-492: The East , emperors ruled in an openly monarchic style. Although succession was generally hereditary, it was only hereditary if there was a suitable candidate acceptable to the army and the bureaucracy, so the principle of automatic inheritance was not adopted, which often led to several claimants to the throne . Despite this, elements of the republican institutional framework (Senate, consuls, and magistrates) were preserved even after

6401-483: The Eastern Roman Empire . It is thus a term that may span approximately 2,206 years (753 BC–1453 AD), during which the Roman armed forces underwent numerous permutations in size , composition, organisation, equipment and tactics, while conserving a core of lasting traditions. Until c.  550 BC , there was no "national" Roman army, but a series of clan-based war-bands which only coalesced into

6574-526: The Papal States . Pepin's son, Charlemagne , was crowned Imperator Romanorum (the first time Imperator was used as an actual regnal title) by Pope Leo III in Christmas AD 800, thus ending the recognition of the Eastern emperor. Western rulers also began referring to the Empire as the "Greek Empire", regarding themselves as the true successors of Rome. The inhabitants of the Eastern half of

6747-477: The Roman Republic and was given to victorious commanders by their soldiers. They held imperium , that is, military authority. The Senate could then award the extraordinary honor of a triumph ; the commander then retained the title until the end of his magistracy . In Roman tradition, the first triumph was that of Romulus , the founder of Rome, but the first attested use of imperator was in 189 BC, on

6920-574: The Tetrarchy the powers of the caesar increased considerably, but following the accession of Constantine I it once more remained as a title for heirs with no significant power attached to it. The title slowly lost importance in the following decades, as emperors started to promote their sons directly to augustus . In the East, the title finally lost its imperial character in 705, when Justinian II awarded it to Tervel of Bulgaria . After this it became

7093-509: The de facto sole ruler of Rome in 48 BC, when he defeated his last opposition at the Battle of Pharsalus . His killers proclaimed themselves as the liberatores ("liberators") and the restorers of the Republic, but their rule was cut short by Caesar's supporters, who almost immediately established a new dictatorship. In his will, Caesar appointed his grandnephew Octavian as his heir and adopted son. He inherited his property and lineage,

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7266-421: The emperors of Nicaea , the emperors of Trebizond , and the short-lived emperors of Thessalonica . The Nicean rulers have been traditionally regarded as the "legitimate" emperors of this period, as they recovered Constantinople and restored the Empire in 1261. The Empire of Trebizond continued to exist for another 200 years, but from 1282 onwards its rulers used the modified title of "Emperor and Autocrat of all

7439-657: The fall of the Western Roman Empire , as it was used by rulers such as Theodoric the Great . Roman army The Roman army ( Latin : exercitus Romanus ) was the armed forces deployed by the Romans throughout the duration of Ancient Rome , from the Roman Kingdom (753 BC–509 BC) to the Roman Republic (509 BC–27 BC) and the Roman Empire (27 BC–476 AD), and its medieval continuation,

7612-406: The proconsuls of the few senatorial provinces and allies such as Agrippa . The governors appointed to the imperial provinces only answered to the emperor himself, who could maintain or replace them at will. The tribunician power ( tribunicia potestas ), first assumed by Augustus in 23 BC, gave him authority over the tribune of the plebs without having to actually hold the office – a tribune

7785-515: The " Year of the Five Emperors ", but modern scholarship now identifies Clodius Albinus and Pescennius Niger as usurpers because they were not recognized by the Roman Senate . Recognition by the Senate is often used to determine the legitimacy of an emperor, but this criterion is not always followed. Maxentius is sometimes called an usurper because he did not have the recognition of Tetrarchs , but he held Rome for several years, and thus had

7958-593: The "shadow emperor". In 476, the Heruli Odoacer overthrew the child-emperor Romulus Augustulus , made himself king of Italy and shipped the imperial regalia to the Emperor Zeno in Constantinople. Historians mark this date as the date of the fall of the Western Roman Empire , although by this time there was no longer any "Empire" left, as its territory had reduced to Italy. Julius Nepos , who

8131-571: The 5th century, there was scarcely a single decade without succession conflicts and civil war. During this period, very few emperors died of natural causes. Such problems persisted in the later Eastern Empire, where emperors had to often appoint co-emperors to secure the throne. Despite often working as a hereditary monarchy, there was no law or single principle of succession. Individuals who claimed imperial power "illegally" are referred to as " usurpers " in modern scholarship. Ancient historians refer to these rival emperors as " tyrants ". In reality, there

8304-531: The 9th century. Its last known use was on 866–867 coins of Michael III and his co-emperor Basil I , who are addressed as imperator and rex respectively. In the West, imperator was transformed into a monarchical title by Charlemagne , becoming the official Latin title of the Holy Roman Empire . Originally the cognomen (third name) of the dictator Gaius Julius Caesar , which was then inherited by Augustus and his relatives. Augustus used it as

8477-610: The Black Sea coast of Anatolia . Alongside troops raised and paid for directly by the state the Komnenian army included the armed followers of members of the wider imperial family and its extensive connections. In this can be seen the beginnings of the feudalisation of the Byzantine military. The granting of pronoia holdings, where land, or more accurately rights to revenue from land, was held in return for military obligations,

8650-534: The East Roman army. The army of the Principate underwent a significant transformation, as a result of the chaotic 3rd century . Unlike the Principate army, the army of the 4th century was heavily dependent on conscription and its soldiers were more poorly remunerated than in the 2nd century. Barbarians from outside the empire probably supplied a much larger proportion of the late army's recruits than in

8823-704: The East, the Iberians , and the Perateia ", accepting the Niceans as the sole Roman emperors. However, the Byzantine Empire had been reduced mostly to Constantinople, and the rise of other powers such as Serbia and Bulgaria forced the Byzantines to recognize their rulers as basileus . Despite this, emperors continued to view themselves as the rulers of an "universal empire". During the last decades of

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8996-410: The Elder , helped raise and educate him. Pliny the Younger wrote hundreds of letters, of which 247 survived, and which are of great historical value. Some are addressed to reigning emperors or to notables such as the historian Tacitus . Pliny served as an imperial magistrate under Trajan (reigned 98–117), and his letters to Trajan provide one of the few surviving records of the relationship between

9169-430: The Empire always saw the emperor as an open monarch. Starting with Heraclius in 629, Roman emperors styled themselves " basileus ", the traditional title for Greek monarchs used since the times of Alexander the Great . The title was used since the early days of the Empire and became the common imperial title by the 3rd century, but did not appear in official documents until the 7th century. Michael I Rangabe (r. 811–813)

9342-439: The Empire used it regularly. It began to used in official context starting with Septimius Severus , and was first officially adopted in coinage by Aurelian . In the East, imperator was translated as autokrator ("self-ruler"), a title that continued to be used until the end of the Empire. This is the modern Greek word for "emperor" ( υτοκράτορας ). There are still some instances of imperator in official documents as late as

9515-577: The Empire's definitive division into Eastern and Western halves in 395. A few decades afterwards, the Western army disintegrated as the Western Empire collapsed. The East Roman army , on the other hand, continued intact and essentially unchanged until its reorganization by themes and transformation into the Byzantine army in the 7th century. The term late Roman army is often used to include

9688-492: The Empire, power was once again shared between multiple emperors and colleagues, each ruling from their own capital, notably during the long reign of John V . Constantinople finally fell to the Ottoman Turks in 1453; its last emperor, Constantine XI Palaiologos , dying in battle. The last vestiges of the empire, Morea and Trebizond , fell in 1461. The title imperator – from imperare , "to command" – dates back to

9861-412: The Empire, while later functioning as de facto separate entities, were always considered and seen, legally and politically, as separate administrative divisions of a single, insoluble state by the Romans of the time. In the West , the office of emperor soon degenerated into being little more than a puppet of Germanic generals such as Aetius and Ricimer ; the last emperors of the West being known as

10034-603: The English translation of the Latin imperator , then Julius Caesar had been an emperor, like several Roman generals before him. Instead, by the end of the Caesar's civil wars , it became clear that there was certainly no consensus to return to the old-style monarchy , but that the period when several officials would fight one another had come to an end. Julius Caesar, and then Augustus after him, accumulated offices and titles of

10207-484: The Principate peak of c. 440,000. The main change in structure was the establishment of large armies that accompanied the emperors ( comitatus praesentales ) and were generally based away from the frontiers. Their primary function was to deter usurpations . The legions were split up into smaller units comparable in size to the auxiliary regiments of the Principate. In parallel, legionary armour and equipment were abandoned in favour of auxiliary equipment. Infantry adopted

10380-515: The Republic, Diocletian established at the top of this new structure the Tetrarchy ("rule of four") in an attempt to provide for smoother succession and greater continuity of government. Under the Tetrarchy, Diocletian set in place a system of two emperors ( augusti ) and two subordinates that also served as heirs ( caesares ). When an emperor retired (as Diocletian and Maximian did in 305) or died, his caesar would succeed him and in turn appoint

10553-436: The Roman governor of Bithynia-Pontus (now in modern Turkey) Pliny wrote a letter to Emperor Trajan around 112 AD and asked for counsel on dealing with Christians . In the letter ( Epistulae X.96), Pliny detailed an account of how he conducted trials of suspected Christians who appeared before him as a result of anonymous accusations and asked for the Emperor's guidance on how they should be treated. Pliny had never performed

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10726-513: The Roman knightly order) were eligible to serve as senior officers. Iuniores of the highest social classes ( equites and the First Class of commoners) provided the legion's cavalry, the other classes the legionary infantry. The proletarii (those assessed at under 400 drachmae wealth) were ineligible for legionary service and were assigned to the fleets as oarsmen. Elders, vagrants, freedmen, slaves and convicts were excluded from

10899-419: The Roman state as an autocrat , but he failed to create a stable system to maintain himself in power. His rise to power was the result of a long and gradual decline in which the Republic fell under the influence of powerful generals such as Marius and Sulla . At the end of the Republic no new, and certainly no single, title indicated the individual who held supreme power. Insofar as emperor could be seen as

11072-443: The Roman world among them. Lepidus was sidelined in 36 BC, and relations between Octavian and Antony soon deteriorated. In September 31 BC, Octavian's victory at Actium put an end to any effective opposition and confirmed his supremacy over Rome. In January 27 BC, Octavian and the Senate concluded the so-called " First settlement ". Until then Octavian had been ruling the state with his powers as triumvir , even though

11245-539: The Romans would fight in their basic tactical unit, the centuria of 100 men. In addition, separate clan-based forces remained in existence until c.  450 BC at least, although they would operate under the Praetors' authority, at least nominally. In 493 BC, shortly after the establishment of the Roman Republic , Rome concluded a perpetual treaty of military alliance (the Foedus Cassianum ), with

11418-470: The Second Punic War had been excluded from service in the legions by the minimum property requirement: during that war, extreme manpower needs had forced the army to ignore the requirement, and this practice continued thereafter. Maniples were gradually phased out as the main tactical unit, and replaced by the larger cohorts used in the allied alae , a process probably complete by the time

11591-479: The Senate awarded him the appellation of augustus ("elevated"). The honorific itself held no legal meaning, but it denoted that Octavian (henceforth Augustus ) now approached divinity, and its adoption by his successors made it the de facto main title of the emperor. He also received the civic crown alongside several other insignias in his honor. Augustus now held supreme and indisputable power, and even though he still received subsequent grants of powers, such as

11764-464: The Triumvirate itself disappeared years earlier. He announced that he would return the power to the Senate and People of Rome , but this was only an act. The Senate confirmed Octavian as princeps , the " first among equals ", and gave him control over almost all Roman provinces for a tenure of ten years. This limitation was only superficial, as he could renew his powers indefinitely. In addition,

11937-505: The West acknowledged the Eastern emperors until the accession of Empress Irene in 797. After this, the papacy created a rival lineage of Roman emperors in western Europe, the Holy Roman Emperors , which ruled the Holy Roman Empire for most of the period between 800 and 1806. These emperors were never recognized in Constantinople and their coronations resulted in the medieval problem of two emperors . The last Eastern emperor

12110-419: The West. The Eastern Greek-speaking half of the Empire had always regarded the emperors as open monarchs ( basileis ), and called them as such. The weakest point of the Augustan institution was its lack of a clear succession system. Formally announcing a successor would have revealed Augustus as a monarch, so he and subsequent emperors opted to adopt their best candidates as their sons and heirs. Primogeniture

12283-468: The Younger was born in Novum Comum ( Como , Northern Italy ) around 61 AD, the son of Lucius Caecilius Cilo, born there, and his wife Plinia Marcella, a sister of Pliny the Elder . He was the grandson of Senator and landowner Gaius Caecilius, revered his uncle, who at this time was extremely famous around the Roman Empire because of his intelligence, and provided sketches of how his uncle worked on

12456-456: The accession of a new emperor. In addition, on completion of their term of service, they were given a generous discharge bonus equivalent to 13 years' salary. Auxiliaries were paid much less in the early 1st century, but by 100 AD, the differential had virtually disappeared. Similarly, in the earlier period, auxiliaries appear not to have received cash and discharge bonuses, but probably did so from Hadrian onwards. Junior officers ( principales ),

12629-617: The addition of a third element to the existing dual Roman/Italian structure: non-Italian mercenaries with specialist skills lacking in the legions and alae : Numidian light cavalry , Cretan archers , and Balearic slingers . From this time, these units always accompanied Roman armies. The Republican army of this period, like its earlier forebear, did not maintain standing or professional military forces, but levied them, by compulsory conscription, as required for each campaigning season and disbanded thereafter (although formations could be kept in being over winter during major wars). The standard levy

12802-700: The adoptive son of the long-deceased Marcus Aurelius , hence why he named Caracalla after him. Later Eastern imperial dynasties, such as the Doukai and Palaiologoi , claimed descent from Constantine the Great . What turns a "usurper" into a "legitimate" emperor is typically that they managed to gain the recognition of a more senior, legitimate, emperor, or that they managed to defeat a more senior, legitimate emperor and seize power. Modern historiography has not yet defined clear legitimacy criteria for emperors, resulting in some emperors being included or excluded from different lists. The year 193 has traditionally been called

12975-583: The army of the 1st and 2nd centuries. The size of the 4th-century army is controversial. More dated scholars (e.g. A. H. M. Jones , writing in the 1960s) estimated the late army as much larger than the Principate army, half the size again or even as much as twice the size. With the benefit of archaeological discoveries of recent decades, many contemporary historians view the late army as no larger than its predecessor: under Diocletian c. 390,000 (the same as under Hadrian almost two centuries earlier) and under Constantine no greater, and probably somewhat smaller, than

13148-517: The army, the Empire required the use of large numbers of mercenaries. After Andronikos II took to the throne, the army fell apart and the Byzantines suffered regular defeats at the hands of their eastern opponents, although they would continue to enjoy success against the crusader territories in Greece. By c. 1350, following a destructive civil war and the outbreak of the Black Death , the Empire

13321-471: The authority based on prestige. The honorific was awarded as both a name and a title to Octavian in 27 BC and was inherited by all subsequent emperors, who placed it after their personal names. The only emperor to not immediately assume it was Vitellius , although he did use it after his recognition by the Senate. Later emperors ruled alongside one or several junior augusti who held de jure (but not de facto ) equal constitutional power. Despite its use as

13494-402: The auxilia. This was reflected in better pay and benefits. In addition, legionaries were equipped with more expensive and protective armour than auxiliaries. However, in 212, the emperor Caracalla granted Roman citizenship to all the empire's inhabitants. At this point, the distinction between legions and auxilia became moot, the latter becoming all-citizen units also. The change was reflected in

13667-437: The beginning of the Komnenian period, the Byzantine army was reduced to a shadow of its former self: during the 11th century, decades of peace and neglect had reduced the old thematic forces, and the Battle of Manzikert in 1071 had destroyed the professional tagmata , the core of the Byzantine army. At Manzikert and later at Dyrrhachium , units tracing their lineage for centuries back to Late Roman army were wiped out, and

13840-408: The borders, in roughly 17 of the 42 provinces of the empire in the reign of Hadrian (r. 117–138). The military chain of command was relatively uniform across the Empire. In each province, the deployed legions' legati (legion commanders, who also controlled the auxiliary regiments attached to their legion) reported to the legatus Augusti pro praetore (provincial governor), who also headed

14013-529: The capital of the Byzantine Empire, from the surrounding land. The last decisive battle was fought by the Palaiologan army in 1453, when Constantinople was besieged and fell on 29 May. The last isolated remnants of the Byzantine state were conquered by 1461. This article contains the summaries of the detailed linked articles on the historical phases above, Readers seeking discussion of the Roman army by theme, rather than by chronological phase, should consult

14186-405: The character of the army necessarily changed from a temporary force based entirely on short-term conscription to a standing army in which the conscripts, whose service was in this period limited by law to six consecutive years, were complemented by large numbers of volunteers who were willing to serve for much longer periods. Many of the volunteers were drawn from the poorest social class, which until

14359-474: The city and Senate of Rome began to lose importance. Maximinus and Carus , for example, did not even set foot on the city. Carus' successors Carinus and Numerian , the last of the Crisis emperors, did not bother to assume the tribunicia potestas either. After reuniting the Roman Empire in 285, Diocletian began a series of reforms to restore stability. Reaching back to the oldest traditions of job-sharing in

14532-644: The civil administration. The governor in turn reported directly to the emperor in Rome. There was no army general staff in Rome, but the leading praefectus praetorio (commander of the Praetorian Guard ) often acted as the emperor's de facto military chief-of-staff. Legionary rankers were relatively well-paid, compared to contemporary common labourers. Compared with their subsistence-level peasant families, they enjoyed considerable disposable income, enhanced by periodic cash bonuses on special occasions such as

14705-550: The combined other Latin city-states. The treaty, probably motivated by the need for the Latins to deploy a united defence against incursions by neighbouring hill-tribes, provided for each party to provide an equal force for campaigns under unified command. It remained in force until 358 BC. The central feature of the Roman army of the mid-Republic , or the Polybian army, was the manipular organization of its battle-line. Instead of

14878-402: The continuance of the Republic. The title had already been used by Pompey and Julius Caesar , among others. It was a purely honorific title with no attached duties or powers, hence why it was never used in official titulature. The title was the most preferred by Augustus as its use implies only "primacy" (is in the " first among equals "), as opposed to dominus , which implies dominance. It was

15051-547: The creation of a worship cult . Augustus became pontifex maximus (the chief priest of the College of Pontiffs ) in 12 BC, after the death of the former triumvir Lepidus . Emperors from the reign of Gratian (r. 375–383) onward used the style pontifex inclytus ("honorable pontiff"). The title of pontifex maximus was eventually adopted by the bishops of Rome during the Renaissance . The last known emperors to use

15224-524: The daughter of Pompeia Celerina; and thirdly to Calpurnia, daughter of Calpurnius and granddaughter of Calpurnius Fabatus of Comum. Letters survive in which Pliny recorded this last marriage taking place, his attachment to Calpurnia, and his sadness when she miscarried their child. Pliny is thought to have died suddenly during his convention in Bithynia-Pontus , around 113 AD, since no events referred to in his letters date later than that. Pliny

15397-493: The disappearance, during the 3rd century, of legionaries' special equipment, and the progressive break-up of legions into cohort-sized units like the auxilia. By the end of Augustus' reign, the imperial army numbered some 250,000 men, equally split between legionaries and auxiliaries (25 legions and c. 250 auxiliary regiments). The numbers grew to a peak of about 450,000 by 211 (33 legions and c. 400 auxiliary regiments). By then, auxiliaries outnumbered legionaries substantially. From

15570-456: The early Principate. Many elements of the late army's defence posture were similar to those associated with forward defence, such as a looser forward location of forts, frequent cross-border operations, and external buffer-zones of allied barbarian tribes. Whatever the defence strategy, it was apparently less successful in preventing barbarian incursions than in the 1st and 2nd centuries. This may have been due to heavier barbarian pressure, and/or to

15743-616: The emperor derived from an extraordinary concentration of individual powers and offices that were extant in the Republic and developed under Augustus and later rulers, rather than from a new political office. Under the Republic, these powers would have been split between several people, who would each exercise them with the assistance of a colleague and for a specific period of time. Augustus held them all at once by himself, and with no time limits; even those that nominally had time limits were automatically renewed whenever they lapsed. The Republican offices endured and emperors were regularly elected to

15916-412: The end of the Empire. In the West, the title was also used by Charlemagne and the subsequent Holy Roman Emperors as part of the formula Imperator Augustus . Both Eastern and Western rulers also used the style semper augustus ("forever augustus"). The word princeps , meaning "first", was a republican term used to denote the leading member of the Senate, and it was used by the early emperors to emphasize

16089-536: The end of the Western Empire. Constantine the Great , the first Christian emperor, moved the capital from Rome to Constantinople , formerly known as Byzantium , in 330 AD. Roman emperors had always held high religious offices; under Constantine there arose the specifically Christian idea that the emperor was God's chosen ruler on earth, a special protector and leader of the Christian Church,

16262-432: The equivalent of non-commissioned officers in modern armies, could expect to earn up to twice basic pay. Legionary centurions , the equivalent of mid-level commissioned officers, were organised in an elaborate hierarchy. Usually risen from the ranks, they commanded the legion's tactical sub-units of centuriae (c. 80 men) and cohorts (c. 480 men). They were paid several multiples of basic pay. The most senior centurion,

16435-469: The eruption of Mount Vesuvius in October 79, during which his uncle Pliny the Elder died ( Epistulae VI.16, VI.20), and one in which he asks the Emperor for instructions regarding official policy concerning Christians ( Epistulae X.96). Pliny wrote the two letters describing the eruption of Mount Vesuvius approximately 25 years after the event, and both were sent in response to the request of his friend,

16608-441: The failure of the Tetrarchy. This practice had first been applied by Septimius Severus , who proclaimed his 10-year-old son Caracalla as augustus . He was followed by Macrinus , who did the same with his 9-year-old son Diadumenian , and several other emperors during the Crisis. This became even more common from the 4th century onwards. Gratian was proclaimed emperor at the age of 8, and his co-ruler and successor Valentinian II

16781-497: The family. Following the suicide of Nero, the last descendant of Caesar, the new emperor Galba adopted the name of Servius Galba Caesar Augustus , thus making it part of the imperial title. Five days before his murder he adopted Piso Licinianus as his son and heir, renaming him as Servius Sulpicius Galba Caesar . After this Caesar came to denote the heir apparent, who would add the name to his own as heir and retain it upon accession as augustus . The only emperor not to assume it

16954-646: The field army numbered around 20,000 men which was increased to about 30,000 men in John II's reign. By the end of Manuel I's reign the Byzantine field army had risen to 40,000 men. The Palaiologan army refers to the military forces of the Byzantine Empire from the late 13th century to its final collapse in the mid 15th century, under the House of the Palaiologoi . The army was a direct continuation of

17127-410: The first emperor, whereas Julius Caesar is considered the last dictator of the Roman Republic , a view that is shared by the Roman writers Plutarch , Tacitus , and Cassius Dio . Conversely, the majority of Roman writers, including Pliny the Younger , Suetonius and Appian , as well as most of the ordinary people of the Empire, thought of Julius Caesar as the first emperor. Caesar did indeed rule

17300-434: The first place to encourage our Emperor in his virtues by a sincere tribute and, secondly, to show his successors what path to follow to win the same renown, not by offering instruction but by setting his example before them. To proffer advice on an Emperor's duties might be a noble enterprise, but it would be a heavy responsibility verging on insolence, whereas to praise an excellent ruler ( optimum principem ) and thereby shine

17473-516: The following articles: History Corps Strategy and tactics Equipment Other Pliny the Younger Gaius Plinius Caecilius Secundus (born Gaius Caecilius or Gaius Caecilius Cilo ; 61 – c.  113 ), better known in English as Pliny the Younger ( / ˈ p l ɪ n i / PLIN -ee ), was a lawyer, author, and magistrate of Ancient Rome . Pliny's uncle, Pliny

17646-460: The forces of the Nicaean army, which itself was a fractured component of the formidable Komnenian army . Under the first Palaiologan emperor, Michael VIII, the army's role took an increasingly offensive role whilst the naval forces of the Empire, weakened since the days of Andronikos I Komnenos, were boosted to include thousands of skilled sailors and some 80 ships. Due to the lack of land to support

17819-424: The general Marius assumed command in 107 BC. (The so-called " Marian reforms " of the army hypothesised by some scholars are today seen by other scholars as having evolved earlier and more gradually.) In the period after the defeat of Carthage in 201 BC, the army was campaigning exclusively outside Italy, resulting in its men being away from their home plots of land for many years at a stretch. They were assuaged by

17992-416: The granting of tribunicia potestas in 23 BC, these were only ratifications of the powers he already possessed. Most modern historians use 27 BC as the start date of the Roman Empire. This is mostly a symbolic date, as the Republic had essentially disappeared many years earlier. Ancient writers often ignore the legal implications of Augustus' reforms and simply write that he "ruled" Rome following

18165-414: The highest imperial title, it was generally not used to indicate the office of Emperor itself, as ordinary people and writers had become accustomed to Imperator . In the East the title was initially translated as Sebastos , but the form Augoustos eventually became more common. Emperors after Heraclius styled themselves as Basileus , but Augoustos still remained in use in a lesser form up until

18338-445: The highest importance in the Republic, making the power attached to those offices permanent, and preventing anyone with similar aspirations from accumulating or maintaining power for themselves. Julius Caesar had been pontifex maximus since 64 BC; held the offices of consul and dictator five times since 59 BC, and was appointed dictator in perpetuity in 44 BC, shortly before his assassination . He had also become

18511-560: The historian Tacitus . The first letter outlines the events preceding the death of Pliny the Elder during the attempted rescue of his friend Rectina. The second letter details the Younger's movements across the same period of time. The two letters have great historical value due to their accurate description of the Vesuvius eruption; Pliny's attention to detail in the letters about Vesuvius is so keen that modern volcanologists describe those types of eruptions as " Plinian eruptions ". As

18684-515: The imperial office and provincial governors. Pliny rose through a series of civil and military offices, the cursus honorum . He was a friend of the historian Tacitus and might have employed the biographer Suetonius on his staff. Pliny also came into contact with other well-known men of the period, including the philosophers Artemidorus and Euphrates the Stoic , during his time in Syria . Pliny

18857-429: The infantry retained its traditional reputation for excellence. The 3rd and 4th centuries saw the upgrading of many existing border forts to make them more defensible, as well as the construction of new forts with much higher defensive specifications. The interpretation of this trend has fuelled an ongoing debate whether the army adopted a defence-in-depth strategy or continued the same posture of "forward defence" as in

19030-455: The kings were replaced by two annually elected praetores in c. 500 BC, the standard levy remained of the same size, but was now divided equally between the praetors, each commanding one legion of 4,500 men. It is likely that the hoplite element was deployed in a Greek-style phalanx formation in large set-piece battles . However, these were relatively rare, with most fighting consisting of small-scale border-raids and skirmishing. In these,

19203-430: The large amounts of booty that they shared after victories in the rich eastern theatre. But in Italy, the ever-increasing concentration of public lands in the hands of big landowners, and the consequent displacement of the soldiers' families, led to great unrest and demands for land redistribution. This was successfully achieved, but resulted in the disaffection of Rome's Italian allies, who as non-citizens were excluded from

19376-530: The legions, recruited from the peregrini (non-citizen inhabitants of the empire – about 90% of the empire's population in the 1st century). As well as comprising large numbers of extra heavy infantry equipped in a similar manner to legionaries, the auxilia provided virtually all the army's cavalry (heavy and light), light infantry, archers and other specialists . The auxilia were organised in c. 500-strong units called cohortes (all-infantry), alae (all-cavalry) and cohortes equitatae (infantry with

19549-467: The loyalty of most of his allies, and – again through a formal process of senatorial consent – an increasing number of the titles and offices that had accrued to Caesar. In August 43 BC, following the death of both consuls of the year , Octavian marched to Rome and forced the Senate to elect him consul. He then formed the Second Triumvirate alongside Mark Antony and Lepidus , dividing

19722-420: The main title of the emperor. According to Suetonius , it was "not merely a new title but a more honorable one, inasmuch as sacred places too, and those in which anything is consecrated by augural rites are called "august" ( augusta ), from the increase ( auctus ) in dignity". It was also connected to the religious practice of augury , which was itself linked to Rome's founding by Romulus , and to auctoritas ,

19895-471: The marginalization of the former heartland of Italy to the empire had a profound cultural impact on the empire and its emperor, which adopted a more Hellenistic character. The Eastern emperors continued to be recognized in the Western kingdoms until the accession of Irene (r. 797–802), the first empress regnant . The Italian heartland was recovered during the reign of Justinian I (r. 527–565), but this

20068-399: The military component of their cursus honorum (conventional career path). Later, provincial career officers became predominant. Senior officers were paid very high salaries, multiples of at least 50 times basic. A typical Roman army during this period consisted of five to six legions. One legion was made up of ten cohorts. The first cohort had five centuria each of 160 soldiers. In

20241-431: The military levy, save in emergencies. The legionary cavalry also changed, probably around 300 BC onwards from the light, unarmoured horse of the early army to a heavy force with metal armour (bronze cuirasses and, later, chain-mail shirts). Contrary to a long-held view, the cavalry of the mid-Republic was a highly effective force that generally prevailed against strong enemy cavalry forces (both Gallic and Greek) until it

20414-484: The more protective equipment of the Principate cavalry. The role of cavalry in the late army does not appear to have been enhanced as compared with the army of the Principate. The evidence is that cavalry was much the same proportion of overall army numbers as in the 2nd century and that its tactical role and prestige remained similar. Indeed, the cavalry acquired a reputation for incompetence and cowardice for their role in three major battles in mid-4th century. In contrast,

20587-409: The most prominent of them: the consulship and censorship . This early period of the Empire is known as the " Principate ", derived from the title princeps used by the early emperors. The most important bases of the emperor's power were his supreme power of command ( imperium maius ) and tribunician power ( tribunicia potestas ) as personal qualities, separate from his public office. Originally,

20760-508: The murder of Caesar, or that he "ruled alone" after the death of Mark Antony. Most Romans thus simply saw the "emperor" as the individual that ruled the state, with no specific title or office attached to him. Augustus actively prepared his adopted son Tiberius to be his successor and pleaded his case to the Senate for inheritance on merit. After Augustus' death in AD ;14, the Senate confirmed Tiberius as princeps and proclaimed him as

20933-445: The new augustus . Tiberius had already received imperium maius and tribunicia potestas in AD 4, becoming legally equal to Augustus but still subordinate to him in practice. The "imperial office" was thus not truly defined until the accession of Caligula , when all of Tiberius' powers were automatically transferred to him as a single, abstract position that was symbolized by his sacred title of augustus . The legal authority of

21106-458: The nucleus of the army, with the addition of the armed retainers of Alexios' relatives and the nobles enrolled in the army and the substantial aid of a large force of allied Cumans , which won the Battle of Levounion against the Pechenegs (Petcheneks or Patzinaks). Yet, through a combination of skill, determination and years of campaigning, Alexios, John and Manuel Komnenos managed to restore

21279-547: The peak, numbers probably underwent a steep decline by 270 due to plague and losses during multiple major barbarian invasions. Numbers were restored to their early 2nd-century level of c. 400,000 (but probably not to their 211 peak) under Diocletian (r. 284–305). After the empire's borders became settled (on the Rhine - Danube line in Europe) by 68, virtually all military units (except the Praetorian Guard ) were stationed on or near

21452-533: The person, which is reflected in the name Imperator Caesar Vespasianus Augustus . This Lex sometimes related to the Lex regia ("royal law") mentioned in the Corpus Juris Civilis of Eastern emperor Justinian I (r. 527–565), who cites the early 3rd-century writer Ulpian . This was probably a later construct, as its very name, which derives from rex ("king"), would have been utterly rejected in

21625-429: The power of the Byzantine Empire by constructing a new army from scratch. This process should not, however, at least in its earlier phases, be seen as a planned exercise in military restructuring. In particular, Alexios I was often reduced to reacting to events rather than controlling them; the changes he made to the Byzantine army were largely done out of immediate necessity and were pragmatic in nature. The new force had

21798-410: The powers of command where divided in consular imperium for Rome and proconsular imperium for the provinces . This division became obsolete in 19 BC, when Augustus was given consular imperium – despite leaving the consulship in 23 BC – and thus control over all troops. This overwhelming power was referred to as imperium maius to indicate its superiority to other holders of imperium , such as

21971-490: The practice of keeping large armies of the best troops in the interior, depriving the border forces of sufficient support. The Komnenian period marked a rebirth of the Byzantine army . At the beginning of the Komnenian period in 1081, the Byzantine Empire had been reduced to the smallest territorial extent. Surrounded by enemies, and financially ruined by a long period of civil war, the empire's prospects looked grim. At

22144-445: The protectors of the Church. The territorial divisions of the Tetrarchy were maintained, and for most of the following century the Empire was ruled by two senior emperors, one in the West (with Milan and later Ravenna as capital) and another in the East (with Constantinople as capital). This division became permanent on the death of Theodosius I in 395, when he was succeeded by his sons Honorius and Arcadius . The two halves of

22317-482: The province's available arable land. Soldiers, mostly drawn from polytheistic societies, enjoyed wide freedom of worship in the polytheistic Roman system. They revered their own native deities, Roman deities and the local deities of the provinces in which they served. Only a few religions were banned by the Roman authorities, as being incompatible with the official Roman religion and/or politically subversive, notably Druidism and Christianity . The later Principate saw

22490-438: The recognition of the Senate. Other "usurpers" controlled, if briefly, the city of Rome, such as Nepotianus and Priscus Attalus . In the East, the possession of Constantinople was the essential element of legitimacy, yet some figures such as Procopius are treated as usurpers. Rival emperors who later gained recognition are not always considered legitimate either; Vetranio had the formal recognition by Constantius II yet he

22663-540: The redistribution. This led to the mass revolt of the socii and the Social War (91-88 BC). The result was the grant of Roman citizenship to all Italians and the end of the Polybian army's dual structure: the alae were abolished and the socii recruited into the legions. Under the founder–emperor Augustus (ruled 30 BC – 14 AD), the legions , c. 5,000-strong all-heavy infantry formations recruited from Roman citizens only, were transformed from

22836-487: The regular forces, the army of the Principate employed allied native units (called numeri ) from outside the empire on a mercenary basis. These were led by their own aristocrats and equipped in traditional fashion. Numbers fluctuated according to circumstances and are largely unknown. As all-citizen formations, and symbolic guarantors of the dominance of the Italian hegemony, legions enjoyed greater social prestige than

23009-403: The reverence of the emperor, making anything related to him sacer (sacred). He declared himself Jovius , the son of Jupiter , and his partner Maximian was declared Herculius , son of Hercules . This divine claim was maintained after the rise of Christianity, as emperors regarded themselves as the chosen rulers of God. The emperor no longer needed the Senate to ratify his powers, so he became

23182-495: The rise in popularity among the military of Eastern mystery cults , generally centred on one deity, and involving secret rituals divulged only to initiates. By far the most popular in the army was Mithraism , an apparently syncretist religion which mainly originated in Asia Minor . The Late Roman army is the term used to denote the military forces of the Roman Empire from the accession of emperor Diocletian in 284 until

23355-411: The second through tenth cohorts there were six centuria of 80 men each. These do not include archers, cavalry or officers. Soldiers spent only a fraction of their lives on campaign. Most of their time was spent on routine military duties such as training, patrolling, and maintenance of equipment, etc. Soldiers also played an important role outside the military sphere. They performed the function of

23528-451: The sole emperor of a theoretically undivided Roman Empire (although in practice he had no authority in the West). The subsequent Eastern emperors ruling from Constantinople styled themselves as " Basileus of the Romans" ( Ancient Greek : βασιλεύς Ῥωμαίων , Basileus Romaíon ) but are often referred to in modern scholarship as Byzantine emperors . The papacy and Germanic kingdoms of

23701-435: The sole source of law. These new laws were no longer shared publicly and were often given directly to the praetorian prefects – originally the emperor's bodyguard, but now the head of the new praetorian prefectures – or with private officials. The emperor's personal court and administration traveled alongside him, which further made the Senate's role redundant. Consuls continued to be appointed each year, but by this point, it

23874-576: The subsequent loss of Asia Minor deprived the Empire of its main recruiting ground. In the Balkans, at the same time, the Empire was exposed to invasions by the Norman Kingdom of Sicily , and by Pecheneg raids across the Danube . The Byzantine army's nadir was reached in 1091, when Alexios I Komnenos could manage to field only 500 soldiers from the Empire's professional forces. These formed

24047-415: The title continued to be used for a time, with emperors registering the number of times they were hailed imperator . The title became the main appellation of the ruler by the time of Vespasian . After the Tetrarchy , emperors began to be addressed as dominus noster ("our Lord"), although imperator continued to be used. The appellation of dominus was known and rejected by Augustus, but ordinary men of

24220-530: The title of caesar . The Senate still exercised some power during this period, as evidenced by his decision to declare Nero a "public enemy", and did influence in the succession of emperors. Following the murder of Domitian in AD 96, the Senate declared Nerva , one of their own, as the new emperor. His "dynasty", the Antonine , continued the adoptive system until the reign of Marcus Aurelius (r. 161–180). Marcus

24393-471: The title of consul was Constans II , who was also the last Eastern emperor to visit Rome. It's possible that later emperors also used it as an honorary title, as the office of consul was not abolished until 892, during the reign of Leo VI . During the Dominate it became increasingly common for emperors to raise their children directly to augustus (emperor) instead of caesar (heir), probably because of

24566-401: The title used by early writers before the term imperator became popular. In his Res Gestae , Augustus explicitly refers to himself as the princeps senatus . The title was also sometimes given to heirs, in the form of princeps iuventutis ("first of the youth"), a term that continued to be used during the Tetrarchy . In the era of Diocletian and beyond, princeps fell into disuse and

24739-416: The title was Junius Blaesus in AD 22, after which it became a title reserved solely for the sovereign. Augustus used Imperator instead of his first name ( praenomen ), becoming Imperator Caesar instead of Caesar Imperator . From this the title slowly became a synonym of the office, hence the word "emperor". Tiberius , Caligula and Claudius avoided using the title, but it is recorded that Caligula

24912-544: The title were Valentinian III and Marcian , in the 5th century. The only surviving document to directly refer to the emperor's power is the Lex de imperio Vespasiani , written shortly after Vespasian 's formal accession in December 69. The text, of which only the second part survives, states that Vespasian is allowed to: make treaties; hold sessions and propose motions to the Senate; hold extraordinary sessions with legislative power; endorse candidates in elections; expand

25085-405: The tribunes, such as sacrosanctity , since 36 BC. With this powers, he could veto any act or proposal of any magistrate, propose laws and convoke the Senate. His sacrosanctity also made him untouchable, and any offence against him could be treated as a crime of treason. The tribunician power was arguably the most stable and important of the emperor's powers. Despite being a perpetual title, it

25258-511: The triumph of Aemilius Paulus . It was a title held with great pride: Pompey was hailed imperator more than once, as was Sulla and Julius Caesar . However, as noted by Cassius Dio , the meaning of the title changed under the new monarchy, and came to denote "the possession of the supreme power". Both Dio and Suetonius refer to Caesar as the first one to assume imperator as a proper name (a praenomen imperatoris ), but this seems to be an anachronism . The last ordinary general to be awarded

25431-504: The vague terms of "second" or "little emperor". Despite having a successful reign himself, Diocletian's tetrarchic system collapsed as soon as he retired in 305. Constantine I , the son of tetrarch Constantius I , reunited the empire in 324 and imposed the principle of hereditary succession which Diocletian intended to avoid. Constantine was also the first emperor to convert to Christianity , and emperors after him, especially after its officialization under Theodosius I , saw themselves as

25604-486: The western Mediterranean Sea (264–201 BC); and (3) the struggle against the Hellenistic monarchies for control of the eastern Mediterranean (201–91 BC). During the earlier phase, the normal size of the levy (including allies) was in the region of 40,000 men (two consular armies of c. 20,000 men each). During the latter phase, with lengthy wars of conquest followed by permanent military occupation of overseas provinces,

25777-674: Was Constantine XI Palaiologos , who died during the Fall of Constantinople to the Ottoman Empire in 1453. After conquering the city, Ottoman sultans adopted the title " Caesar of the Romans" ( kayser-i Rûm ). A Byzantine group of claimant emperors existed in the Empire of Trebizond until its conquest by the Ottomans in 1461, although they had used a modified title since 1282. Modern historians conventionally regard Augustus as

25950-413: Was Vitellius , who adopted the name Germanicus instead. Most emperors used it as their nomen – with Imperator as their praenomen – until the reign of Antoninus Pius , when it permanently became part of the formula Imperator Caesar [full name] Augustus . In the 3rd century, caesars also received the honorific of nobilissimus ("most noble"), which later evolved into a separate title. During

26123-542: Was active in the Roman legal system, especially in the sphere of the Roman centumviral court , which dealt with inheritance cases. Later, he was a well-known prosecutor and defender at the trials of a series of provincial governors, including Baebius Massa , governor of Baetica ; Marius Priscus, governor of Africa ; Gaius Caecilius Classicus, governor of Baetica; and most ironically in light of his later appointment to this province, Gaius Julius Bassus and Varenus Rufus, both governors of Bithynia and Pontus . Pliny's career

26296-506: Was also used to distinguish a junior co-emperor ( basileus ) from his senior colleague ( basileus autokrator ). By the times of the Palaiologos , there were two distinct ceremonies for the accession of an emperor: first an acclamation as basileus , and later a coronation as autokrator (which also included being raised on a shield). These rites could happen years apart. The Eastern Empire became not only an absolute monarchy but also

26469-509: Was always renewed each year, which often coincided with the beginning of a new regnal year (although " regnal years " were not officially adopted until Justinian I ). The office of censor was not fully absorbed into the imperial office until the reign of Domitian , who declared himself "perpetual censor" ( censor perpetuus ) in AD 85. Before this, the title had been only used by Claudius (47), Vespasian and Titus (both in 73). The emperor also had power over religious affairs, which led to

26642-442: Was an office often occupied by the emperor himself, who now had complete control over the bureaucratic apparatus. Diocletian did preserve some Republican traditions, such as the tribunicia potestas . The last known emperor to have used it was Anastasius I , at the start of the 6th century. Anastasius was also the last attested emperor to use the traditional titles of proconsul and pater patriae . The last attested emperor to use

26815-537: Was based on a compulsory levy from adult male citizens which was held at the start of each campaigning season, in those years that war was declared. There were no standing or professional forces. During the Regal Era (to c. 500 BC), the standard levy was probably of 9,000 men, consisting of 6,000 heavily armed infantry (probably Greek-style hoplites ), plus 2,400 light-armed infantry ( rorarii , later called velites ) and 600 light cavalry ( equites celeres ). When

26988-402: Was beginning to become a notable element in the military infrastructure towards the end of the Komnenian period, though it became much more important subsequently. In 1097, the Byzantine army numbered around 70,000 men altogether. By 1180 and the death of Manuel Komnenos, whose frequent campaigns had been on a grand scale, the army was probably considerably larger. During the reign of Alexios I,

27161-500: Was by birth of equestrian rank, that is, a member of the aristocratic order of equites (knights), the lower (beneath the senatorial order ) of the two Roman aristocratic orders that monopolised senior civil and military offices during the early Empire. His career began at the age of 18 and initially followed a normal equestrian route. But, unlike most equestrians, he achieved entry into the upper order by being elected Quaestor in his late twenties. (See Career summary below.) Pliny

27334-399: Was by definition a plebeian , whereas Augustus, although born into a plebeian family, had become a patrician when he was adopted into the gens Julia . By adopting the role of a tribune, Augustus was presenting himself as the representative of the common man and the protector of democracy. As always, this was not a sudden grant of power; Augustus had been receiving several powers related to

27507-558: Was decisively beaten by the Carthaginian general Hannibal 's horsemen during the Second Punic War. This was due to Hannibal's greater operational flexibility owing to his Numidian light cavalry. The Polybian army's operations during its existence can be divided into three broad phases. (1) The struggle for hegemony over Italy, especially against the Samnite League (338–264 BC); (2) the struggle with Carthage for hegemony in

27680-483: Was doubled during the Samnite Wars to four legions (two per consul), for a total of c. 18,000 Roman troops and four allied alae of similar size. Service in the legions was limited to property-owning Roman citizens, normally those known as iuniores (age 16–46). The army's senior officers, including its commanders-in-chief, the Roman consuls, were all elected annually at the People's Assembly. Only equites (members of

27853-416: Was hailed imperator by the Senate on his accession, indicating that it was already considered an integral part of the dignity. It was not until the late reign of Nero , in AD 66, that imperator became once more part of the emperor's nomenclature. Virtually all emperors after him used the praenomen imperatoris , with only a few variations under his successors Galba and Vitellius . The original meaning of

28026-424: Was no distinction between emperors and usurpers, as many emperors started as rebels and were retroactively recognized as legitimate. The Lex de imperio Vespasiani explicitly states that all of Vespasian's actions are considered legal even if they happened before his recognition by the Senate. Ultimately, "legitimacy was a post factum phenomenon." Theodor Mommsen famously argued that "here has probably never been

28199-479: Was no longer capable of raising troops and the supplies to maintain them. The Empire came to rely upon troops provided by Serbs, Bulgarians, Venetians, Latins, Genoans and Ottoman Turks to fight the civil wars that lasted for the greater part of the 14th century, with the latter foe being the most successful in establishing a foothold in Thrace. The Ottomans swiftly expanded through the Balkans and cut off Constantinople,

28372-566: Was not relevant in the early Empire, although emperors still attempted to maintain a familiar connection between them; Tiberius , for example, married Julia the Elder , making him Augustus ' son-in-law. Vespasian , who took power after the collapse of the Julio-Claudian dynasty and the tumultuous Year of the Four Emperors , was the first emperor to openly declare his sons, Titus and Domitian , as his sole heirs, giving them

28545-405: Was overthrown and expelled to Dalmatia in favor of Romulus, continued to claim the title until his murder in 480. The Eastern court recognized this claim and Odoacer minted coins in his name, although he never managed to exercise real power. The death of Nepos left Zeno as the sole emperor of a (technically) reunited Roman Empire. The Roman Empire survived in the East for another 1000 years, but

28718-411: Was proclaimed emperor at the age of 4. Many child emperors such as Philip II or Diadumenian never succeeded their fathers. These co-emperors all had the same honors as their senior counterpart, but they did not share the actual government, hence why junior co-emperors are usually not counted as real emperors by modern or ancient historians. There was no title to denote the "junior" emperor; writers used

28891-627: Was published in Italy in 1471. Sometime between 1495 and 1500 Giovanni Giocondo discovered a manuscript in Paris of Pliny's tenth book of letters, containing his correspondence with Trajan, and published it in Paris, dedicating the work to Louis XII . The first complete edition was produced by the press of Aldus Manutius in 1508. (See Editio princeps for details.) Being wealthy, Pliny owned many villas and wrote in detail about his villa near Ostia, at Laurentum, Italy. Others included one near Lake Como named "Tragedy" because of its location high on

29064-411: Was replaced with dominus ("lord"); the use of princeps and dominus broadly symbolizes the differences in the empire's government, giving rise to the era designations Principate and Dominate . The title is still found in some later sources, however. The poet Claudian , for example, describes Honorius as having been raised from " caesar " to " princeps " (instead of augustus ). The title survived

29237-617: Was reverted by the end of the century. Rome technically remained under imperial control , but was completely surrounded by the Lombards . Africa was lost to the Arabs in the early 7th century, and Rome eventually fell to the Lombards in 751, during the reign of Constantine V . The Frankish king Pepin the Short defeated them and received the favour of Pope Stephen II , who became the head of

29410-483: Was the first emperor to actually use the title of "Roman emperor" (βασιλεύς Ῥωμαίων, Basileus Romaíon ). This was a response to the new line of emperors created by Charlemagne – although he was recognized as basileus of the Franks . By the 9th century the full imperial title became " basileus and autokrator of the Romans", usually translated as "Emperor and Autocrat of the Romans". The title autokrator

29583-407: Was the first emperor to rule alongside other emperors, first with his adoptive brother Lucius Verus , who succeeded jointly with him, and later with his son Commodus , who was proclaimed co- augustus in 177. Despite being the son of a previous emperor and having nominally shared government with him, Commodus' rule ended with his murder at the hands of his own soldiers. From his death in 192 until

29756-600: Was the real "usurper" (having been proclaimed by his troops). There were no true objective legal criteria for being acclaimed emperor beyond acceptance by the Roman army , which was really the true basis of imperial power. Common methods used by emperors to assert claims of legitimacy, such as support of the army, blood connections (sometimes fictitious) to past emperors, distributing one's own coins or statues, and claims to pre-eminent virtue through propaganda, were pursued just as well by many usurpers as they were by legitimate emperors. Septimius Severus notably declared himself as

29929-421: Was to buy oil (used for soap) for the baths of the people of Como. The trustees are apparently named in the inscription: "L. Caecilius Valens and P. Caecilius Secundus, sons of Lucius, and the contubernalis Lutulla." The word contubernalis describing Lutulla is the military term meaning "tent-mate", which can only mean that she was living with Lucius, not as his wife. The first man mentioned, L. Caecilius Valens,

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