156-699: The Treaty of Dara , also known as the Fifty-Year Peace , was a peace treaty concluded between the Byzantine (Eastern Roman) and Sassanid (Persian) empires at the frontier town of Dara in what is now southern Turkey in 562. The treaty, negotiated by Peter the Patrician for the Byzantine emperor Justinian I and Izadgushasp for the Sassanid king Khosrau I ended the 20-year-long war over
312-631: A Jewish Christian sect with Hellenistic influence of Second Temple Judaism . An early Jewish Christian community was founded in Jerusalem under the leadership of the Pillars of the Church , namely James the Just , the brother of Jesus, Peter , and John. Jewish Christianity soon attracted Gentile God-fearers, posing a problem for its Jewish religious outlook , which insisted on close observance of
468-660: A devastating war with Persia exhausted the empire's resources; the early Muslim conquests that followed saw the loss of the empire's richest provinces— Egypt and Syria —to the Rashidun Caliphate . In 698, Africa was lost to the Umayyad Caliphate , but the empire subsequently stabilised under the Isaurian dynasty. The empire was able to expand once more under the Macedonian dynasty , experiencing
624-462: A sensational victory against Bulgaria and the Kievan Rus' in 971. John in particular was an astute administrator who reformed military structures and implemented effective fiscal policies. After John's death, Constantine VII's grandsons Basil II and Constantine VIII ruled jointly for half a century, although the latter exercised no real power before Basil's death in 1025. Their early reign
780-467: A combination of external threats and internal instabilities caused the Roman state to splinter as regional armies acclaimed their generals as "soldier-emperors". One of these, Diocletian ( r. 284–305 ), seeing that the state was too big to be ruled by one man, attempted to fix the problem by instituting a Tetrarchy , or rule of four, and dividing the empire into eastern and western halves. Although
936-645: A considerable increase in the size of urban settlements, together with a notable upsurge in new towns. Trade was also flourishing; the Venetians, the Genoese and others opened up the ports of the Aegean to commerce, shipping goods from the Crusader states and Fatimid Egypt to the west and trading with the empire via Constantinople. Manuel's death on 24 September 1180 left his 11-year-old son Alexios II Komnenos on
1092-542: A few scriptures overlapping with the developing orthodox canon, most Gnostic texts and Gnostic gospels were eventually considered heretical and suppressed by mainstream Christians. A gradual splitting off of Gentile Christianity left Jewish Christians continuing to follow the Law of Moses , including practices such as circumcision. By the fifth century, they and the Jewish–Christian gospels would be largely suppressed by
1248-595: A large number in Venice. According to chronicler Niketas Choniates , a prostitute was even set up on the patriarchal throne. When order had been restored, the crusaders and the Venetians proceeded to implement their agreement; Baldwin of Flanders was elected emperor of a new Latin Empire , and the Venetian Thomas Morosini was chosen as patriarch. The lands divided up among the leaders included most of
1404-512: A lengthy conflict against Sasanid Persia and ended in 363 with the death of his son-in-law Julian . The short Valentinianic dynasty , occupied with wars against barbarians , religious debates, and anti-corruption campaigns, ended in the East with the death of Valens at the Battle of Adrianople in 378. Valens's successor, Theodosius I ( r. 379–395 ), restored political stability in
1560-651: A line through the Adriatic Sea and south to Cyrene, Libya . This encompassed most of the Balkans , all of modern Greece, Turkey, Syria , Palestine ; North Africa, primarily with modern Egypt and Libya ; the Aegean islands along with Crete , Cyprus and Sicily , and a small settlement in Crimea . The landscape of the Empire was defined by the fertile fields of Anatolia , long mountain ranges and rivers such as
1716-450: A small fleet of 100 ships to defend the capital, but other than that he was indifferent to the populace. He was finally overthrown when Isaac II Angelos , surviving an imperial assassination attempt, seized power with the aid of the people and had Andronikos killed. The reign of Isaac II, and more so that of his brother Alexios III , saw the collapse of what remained of the centralised machinery of Byzantine government and defence. Although
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#17327732426741872-523: A small scale by both Jewish and Roman authorities , with Roman action starting at the time of the Great Fire of Rome in 64 AD. Examples of early executions under Jewish authority reported in the New Testament include the deaths of Saint Stephen and James, son of Zebedee . The Decian persecution was the first empire-wide conflict, when the edict of Decius in 250 AD required everyone in
2028-417: A speedy and marked improvement. Gradually, however, Andronikos's reign deteriorated. The aristocrats were infuriated against him, and to make matters worse, Andronikos seemed to have become increasingly unbalanced; executions and violence became increasingly common, and his reign turned into a reign of terror. Andronikos seemed almost to seek the extermination of the aristocracy as a whole. The struggle against
2184-608: A two-century-long renaissance . This came to an end in 1071, with the defeat by the Seljuk Turks at the Battle of Manzikert . Thereafter, periods of civil war and Seljuk incursion resulted in the loss of most of Asia Minor . The empire recovered during the Komnenian restoration , and Constantinople would remain the largest and wealthiest city in Europe until the 13th century. The empire was largely dismantled in 1204, following
2340-517: A two-month siege on 29 May 1453. The final Byzantine emperor, Constantine XI Palaiologos , was last seen casting off his imperial regalia and throwing himself into hand-to-hand combat after the walls of the city were taken. The Empire was centred in what is now Greece and Turkey with Constantinople as its capital. In the 5th century, it controlled the eastern basis of the Mediterranean running east from Singidunum (modern Belgrade ) in
2496-525: Is also used by Presbyterians , Methodists , and Congregationalists . This particular creed was developed between the 2nd and 9th centuries. Its central doctrines are those of the Trinity and God the Creator . Each of the doctrines found in this creed can be traced to statements current in the apostolic period . The creed was apparently used as a summary of Christian doctrine for baptismal candidates in
2652-541: Is evidence that some Komnenian heirs had set up a semi-independent state in Trebizond before 1204. According to the historian Alexander Vasiliev , "the dynasty of the Angeloi, Greek in its origin, ... accelerated the ruin of the Empire, already weakened without and disunited within." In 1198, Pope Innocent III broached the subject of a new crusade through legates and encyclical letters. The stated intent of
2808-547: Is impossible to precisely date the foundation of the Byzantine Empire. In a series of conflicts between the third and first centuries BC, the Roman Republic gradually established hegemony over the eastern Mediterranean , while its government ultimately transformed into the one-person rule of an emperor . The Roman Empire enjoyed a period of relative stability until the third century AD , when
2964-430: Is recorded in the canonical gospels, although infancy gospels were popular in antiquity. In comparison, his adulthood, especially the week before his death, is well documented in the gospels contained within the New Testament , because that part of his life is believed to be most important. The biblical accounts of Jesus's ministry include: his baptism , miracles , preaching, teaching, and deeds. Christians consider
3120-752: Is seated at the right hand of the Father, and will ultimately return to fulfill the rest of the Messianic prophecy , including the resurrection of the dead , the Last Judgment , and the final establishment of the Kingdom of God . According to the canonical gospels of Matthew and Luke , Jesus was conceived by the Holy Spirit and born from the Virgin Mary . Little of Jesus's childhood
3276-715: The Tactica , a military treatise; and the Book of the Eparch , which codified Constantinople's trading regulations. In non-literary contexts Leo was less successful: the empire lost in Sicily and against the Bulgarians , while he provoked theological scandal by marrying four times in an attempt to father a legitimate heir. The early reign of that heir, Constantine VII , was tumultuous, as his mother Zoe , his uncle Alexander ,
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#17327732426743432-521: The Bible and sacred traditions on which Christianity is based. Concise doctrinal statements or confessions of religious beliefs are known as creeds . They began as baptismal formulae and were later expanded during the Christological controversies of the 4th and 5th centuries to become statements of faith. " Jesus is Lord " is the earliest creed of Christianity and continues to be used, as with
3588-706: The Carolingian Renaissance of the 9th century. In the 7th century, Muslims conquered Syria (including Jerusalem ), North Africa, and Spain, converting some of the Christian population to Islam , including some of the Christian populations in pre-Islamic Arabia , and placing the rest under a separate legal status . Part of the Muslims' success was due to the exhaustion of the Byzantine Empire in its decades long conflict with Persia . Beginning in
3744-536: The Catalan Company ravaging the countryside and increasing resentment towards Constantinople. The situation became worse for Byzantium during the civil wars after Andronikos III died. A six-year-long civil war devastated the empire, allowing the Serbian ruler Stefan Dušan to overrun most of the empire's remaining territory and establish a Serbian Empire . In 1354, an earthquake at Gallipoli devastated
3900-544: The Caucasian kingdom of Lazica . The treaty contained 13 articles, and is well-recorded. It covered all parts of the two empires, Persarmenia, Lazica, the client states, and the Arab allies. The Sassanids undertook to evacuate Lazica, but the status of the neighboring country of Suania was left unclear to become a future source of disagreement. The Sassanids were to receive an annual subsidy of 30,000 gold nomismata , with
4056-627: The Celtic , the Baltic and some Slavic peoples . Around 500, Christianity was thoroughly integrated into Byzantine and Kingdom of Italy culture and Benedict of Nursia set out his Monastic Rule , establishing a system of regulations for the foundation and running of monasteries . Monasticism became a powerful force throughout Europe, and gave rise to many early centers of learning, most famously in Ireland , Scotland , and Gaul , contributing to
4212-582: The Church of the East (600,000). Smaller church communities number in the thousands despite efforts toward unity ( ecumenism ). In the West , Christianity remains the dominant religion even with a decline in adherence , with about 70% of that population identifying as Christian. Christianity is growing in Africa and Asia, the world's most populous continents. Christians remain greatly persecuted in many regions of
4368-651: The Council of Clermont and urged all those present to take up arms under the sign of the Cross and launch an armed pilgrimage to recover Jerusalem and the East from the Muslims. The response in Western Europe was overwhelming. Alexios was able to recover a number of important cities, islands and much of western Asia Minor. The Crusaders agreed to become Alexios' vassals under the Treaty of Devol in 1108, which marked
4524-684: The Council of Piacenza in 1095, envoys from Alexios spoke to Pope Urban II about the suffering of the Christians of the East and underscored that without help from the West, they would continue to suffer under Muslim rule. Urban saw Alexios' request as a dual opportunity to cement Western Europe and reunite the Eastern Orthodox Church with the Roman Catholic Church under his rule. On 27 November 1095, Urban called
4680-475: The Danube , he pushed his troops too far in 602—they mutinied, proclaimed an officer named Phocas as emperor, and executed Maurice. The Sasanians seized their moment and reopened hostilities ; Phocas was unable to cope and soon faced a major rebellion led by Heraclius . Phocas lost Constantinople in 610 and was soon executed, but the destructive civil war accelerated the empire's decline. Under Khosrow II ,
4836-750: The Danube . In the north and west were the Balkans, the corridors between the mountain ranges of Pindos , the Dinaric Alps , the Rhodopes and the Balkans . In the south and east were Anatolia, the Pontic Mountains and the Taurus - Anti-Taurus range, which served as passages for armies, while the Caucasus mountains lay between the Empire and its eastern neighbours. Roman roads connected
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4992-520: The Edict of Worms condemned and excommunicated Luther and his followers, resulting in the schism of the Western Christendom into several branches. Other reformers like Zwingli , Oecolampadius , Calvin , Knox , and Arminius further criticized Catholic teaching and worship. These challenges developed into the movement called Protestantism , which repudiated the primacy of the pope ,
5148-636: The Empire of Trebizond , was created after Alexios I of Trebizond , commanding the Georgian expedition in Chaldia a few weeks before the sack of Constantinople, found himself de facto emperor and established himself in Trebizond. Of the three successor states, Epirus and Nicaea stood the best chance of reclaiming Constantinople. The Nicaean Empire struggled to survive the next few decades, however, and by
5304-745: The Inquisition , were established with the aim of suppressing heresy and securing religious and doctrinal unity within Christianity through conversion and prosecution. The 15th-century Renaissance brought about a renewed interest in ancient and classical learning. During the Reformation , Martin Luther posted the Ninety-five Theses 1517 against the sale of indulgences . Printed copies soon spread throughout Europe. In 1521
5460-768: The Magisterial Reformation as corrupted. Their activity brought about the Radical Reformation , which gave birth to various Anabaptist denominations. Partly in response to the Protestant Reformation, the Catholic Church engaged in a substantial process of reform and renewal, known as the Counter-Reformation or Catholic Reform. The Council of Trent clarified and reasserted Catholic doctrine. During
5616-418: The Middle Ages . The eastern half of the Empire survived the conditions that caused the fall of the West in the 5th century AD, and continued to exist until the fall of Constantinople to the Ottoman Empire in 1453. During most of its existence, the empire remained the most powerful economic, cultural, and military force in the Mediterranean world . The term "Byzantine Empire" was only coined following
5772-435: The New Testament . It is the world's largest and most widespread religion with over 2.4 billion followers, comprising around 31.2% of the world population . Its adherents, known as Christians , are estimated to make up a majority of the population in 157 countries and territories . Christianity remains culturally diverse in its Western and Eastern branches , and doctrinally diverse concerning justification and
5928-408: The Normans who arrived in Italy at the beginning of the 11th century. During a period of strife between Constantinople and Rome culminating in the East-West Schism of 1054 , the Normans advanced gradually into Byzantine Italy . Reggio , the capital of the tagma of Calabria, was captured in 1060 by Robert Guiscard , followed by Otranto in 1068. Bari , the main Byzantine stronghold in Apulia ,
6084-420: The Old Testament . The Christian concept of messiah differs significantly from the contemporary Jewish concept . The core Christian belief is that through belief in and acceptance of the death and resurrection of Jesus , sinful humans can be reconciled to God, and thereby are offered salvation and the promise of eternal life . While there have been many theological disputes over the nature of Jesus over
6240-462: The Oriental Orthodox , taught Christ "to be acknowledged in two natures, inconfusedly, unchangeably, indivisibly, inseparably": one divine and one human, and that both natures, while perfect in themselves, are nevertheless also perfectly united into one person . The Athanasian Creed , received in the Western Church as having the same status as the Nicene and Chalcedonian, says: "We worship one God in Trinity, and Trinity in Unity; neither confounding
6396-411: The Pechenegs , who were caught by surprise and annihilated at the Battle of Levounion on 28 April 1091. Having achieved stability in the West, Alexios could turn his attention to the severe economic difficulties and the disintegration of the empire's traditional defences. However, he still did not have enough manpower to recover the lost territories in Asia Minor and to the advance by the Seljuks. At
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6552-443: The Restoration Movement , such as the Christian Church (Disciples of Christ) , the Evangelical Christian Church in Canada , and the Churches of Christ . The central tenet of Christianity is the belief in Jesus as the Son of God and the Messiah (Christ). Christians believe that Jesus, as the Messiah, was anointed by God as savior of humanity and hold that Jesus's coming was the fulfillment of messianic prophecies of
6708-479: The Roman Empire by the Edict of Milan (313), later convening the Council of Nicaea (325) where Early Christianity was consolidated into what would become the state religion of the Roman Empire (380). The Church of the East and Oriental Orthodoxy both split over differences in Christology (5th century), while the Eastern Orthodox Church and the Catholic Church separated in the East–West Schism (1054). Protestantism split into numerous denominations from
6864-407: The Roman papacy . In 780, Empress Irene assumed power on behalf of her son Constantine VI . Although she was a capable administrator who temporarily resolved the iconoclasm controversy, the empire was destabilized by her feud with her son. The Bulgars and Abbasids meanwhile inflicted numerous defeats on the Byzantine armies, and the papacy crowned Charlemagne as Roman emperor in 800. In 802,
7020-446: The Sack of Constantinople by Latin armies at the end of the Fourth Crusade ; its former territories were then divided into competing Greek rump states and Latin realms . Despite the eventual recovery of Constantinople in 1261, the reconstituted empire would wield only regional power during its final two centuries of existence. Its remaining territories were progressively annexed by the Ottomans in perennial wars fought throughout
7176-485: The State church of the Roman Empire . As soon as it became connected to the state, Christianity grew wealthy; the Church solicited donations from the rich and could now own land. Constantine was also instrumental in the convocation of the First Council of Nicaea in 325, which sought to address Arianism and formulated the Nicene Creed, which is still used by in Catholicism , Eastern Orthodoxy , Lutheranism , Anglicanism , and many other Protestant churches. Nicaea
7332-422: The World Council of Churches . The Apostles' Creed is the most widely accepted statement of the articles of Christian faith. It is used by a number of Christian denominations for both liturgical and catechetical purposes, most visibly by liturgical churches of Western Christian tradition, including the Latin Church of the Catholic Church , Lutheranism , Anglicanism , and Western Rite Orthodoxy . It
7488-486: The dechristianization of France during the French Revolution , the Spanish Civil War , and certain Marxist movements, especially the Russian Revolution and the persecution of Christians in the Soviet Union under state atheism . Especially pressing in Europe was the formation of nation states after the Napoleonic era . In all European countries, different Christian denominations found themselves in competition to greater or lesser extents with each other and with
7644-457: The sea walls of Constantinople , overhaul provincial governance, and wage inconclusive campaigns against the Abbasids. After his death, his empress Theodora , ruling on behalf of her son Michael III , permanently extinguished the iconoclastic movement; the empire prospered under their sometimes-fraught rule. However, Michael was posthumously vilified by historians loyal to the dynasty of his successor Basil I , who assassinated him in 867 and who
7800-498: The state religion in Armenia in the early 4th century AD, making Armenia the first officially Christian state. It was not an entirely new religion in Armenia, having penetrated into the country from at least the third century, but it may have been present even earlier. Constantine I was exposed to Christianity in his youth, and throughout his life his support for the religion grew, culminating in baptism on his deathbed. During his reign, state-sanctioned persecution of Christians
7956-453: The state religion , and other religious practices were proscribed . Greek gradually replaced Latin for official use as Latin fell into disuse. The empire experienced several cycles of decline and recovery throughout its history, reaching its greatest extent after the fall of the west during the reign of Justinian I ( r. 527–565 ), who briefly reconquered much of Italy and the western Mediterranean coast . The appearance of plague and
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#17327732426748112-417: The "land of the Romans" ( Bilād al-Rūm ), but the people of medieval Western Europe preferred to call them "Greeks" ( Graeci ), due to having a contested legacy to Roman identity and to associate negative connotations from ancient Latin literature. The adjective "Byzantine", which derived from Byzantion (Latinised as Byzantium ), the name of the Greek settlement Constantinople was established on,
8268-548: The 14th and 15th centuries. The fall of Constantinople to the Ottomans in 1453 ultimately brought the empire to an end. Many refugees who had fled the city after its capture settled in Italy and throughout Europe, helping to ignite the Renaissance . The fall of Constantinople is sometimes used to mark the dividing line between the Middle Ages and the early modern period . The inhabitants of the empire, now generally termed Byzantines, thought of themselves as Romans ( Romaioi ). Their Islamic neighbours similarly called their empire
8424-415: The 15th-century historian Laonikos Chalkokondyles , whose works were widely propagated, including by Hieronymus Wolf . "Byzantine" was used adjectivally alongside terms such as "Empire of the Greeks" until the 19th century. It is now the primary term, used to refer to all aspects of the empire; some modern historians believe that, as an originally prejudicial and inaccurate term, it should not be used. As
8580-510: The 532 Nika revolt he rebuilt much of Constantinople, including the original Hagia Sophia . Justinian took advantage of political instability in Italy to attempt the reconquest of lost western territories. The Vandal Kingdom in North Africa was subjugated in 534 by the general Belisarius , who then invaded Italy ; the Ostrogothic Kingdom was destroyed in 554. In the 540s, however, Justinian began to suffer reversals on multiple fronts. Taking advantage of Constantinople's preoccupation with
8736-415: The 6th century AD. These new universities expanded the curriculum to include academic programs for clerics, lawyers, civil servants, and physicians. The university is generally regarded as an institution that has its origin in the Medieval Christian setting. Accompanying the rise of the "new towns" throughout Europe, mendicant orders were founded, bringing the consecrated religious life out of
8892-501: The 8th century, with the rise of Carolingian leaders, the Papacy sought greater political support in the Frankish Kingdom . The Middle Ages brought about major changes within the church. Pope Gregory the Great dramatically reformed the ecclesiastical structure and administration. In the early 8th century, iconoclasm became a divisive issue, when it was sponsored by the Byzantine emperors. The Second Ecumenical Council of Nicaea (787) finally pronounced in favor of icons. In
9048-408: The Arab efforts to capture Constantinople in the 670s , but suffered a reversal against the Bulgars , who soon established an empire in the northern Balkans . Nevertheless, he and Constans had done enough to secure the empire's position, especially as the Umayyad Caliphate was undergoing another civil war . Justinian II sought to build on the stability secured by his father Constantine but
9204-415: The Byzantine Emperor Alexios I for aid against Turkish expansion. The Crusades ultimately failed to stifle Islamic aggression and even contributed to Christian enmity with the sacking of Constantinople during the Fourth Crusade . The Christian Church experienced internal conflict between the 7th and 13th centuries that resulted in a schism between the Latin Church of Western Christianity branch,
9360-408: The Byzantine administration's policy of heavy taxation and abolishing of the levy. The weakening of Georgia and Armenia played a significant role in the Byzantine defeat at Manzikert in 1071. Basil II is considered among the most capable Byzantine emperors and his reign as the apex of the empire in the Middle Ages . By 1025, the date of Basil II's death, the Byzantine Empire stretched from Armenia in
9516-480: The Byzantines) and Nisibis (under the Sasanians). Refugees were free to return to their homes. In a separate treaty, the Christians in the Sasanian Empire were promised freedom of religion. Although the war itself had ended inconclusively, the Sasanians were in a slightly better position due to the fact that the Romans were forced to pay them an annual fixed sum. The peace treaty was to last for 50 years, but it remained in effect only until 572, when Justin II broke
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#17327732426749672-657: The Catholic Church in the Reformation era (16th century). Following the Age of Discovery (15th–17th century), Christianity expanded throughout the world via missionary work , evangelism , immigration and extensive trade. Christianity played a prominent role in the development of Western civilization , particularly in Europe from late antiquity and the Middle Ages . The six major branches of Christianity are Roman Catholicism (1.3 billion people), Protestantism (625 million-900 million), Eastern Orthodoxy (230 million), Oriental Orthodoxy (60 million), Restorationism (35 million), and
9828-415: The Empire by land, with the Via Egnatia running from Constantinople to the Albanian coast through Macedonia and the Via Traiana to Adrianople (modern Edirne ), Serdica (modern Sofia ) and Singidunum. By water, Crete, Cyprus and Sicily were key naval points and the main ports connecting Constantinople were Alexandria, Gaza, Caesarea and Antioch. The Aegean sea was considered an internal lake within
9984-432: The Empire. The emperor was the centre of the whole administration of the Empire, who the legal historian Kaius Tuori has said was "above the law, within the law, and the law itself"; with a power that is difficult to define and which does not align with our modern understanding of the separation of powers. The proclamations of the crowds of Constantinople, and the inaugurations of the patriarch from 457, would legitimise
10140-468: The Jewish commandments. Paul the Apostle solved this by insisting that salvation by faith in Christ , and participation in his death and resurrection by their baptism, sufficed. At first he persecuted the early Christians, but after a conversion experience he preached to the gentiles , and is regarded as having had a formative effect on the emerging Christian identity as separate from Judaism. Eventually, his departure from Jewish customs would result in
10296-411: The Mongol invasion also gave Nicaea a temporary respite from Seljuk attacks, allowing it to concentrate on the Latin Empire to its north. The Empire of Nicaea, founded by the Laskarid dynasty , managed to recapture Constantinople in 1261 and defeat Epirus . This led to a short-lived revival of Byzantine fortunes under Michael VIII Palaiologos , but the war-ravaged empire was ill-equipped to deal with
10452-413: The Netherlands and Frisia . Ultimately, these differences led to the outbreak of conflicts in which religion played a key factor. The Thirty Years' War , the English Civil War , and the French Wars of Religion are prominent examples. These events intensified the Christian debate on persecution and toleration . In the revival of neoplatonism Renaissance humanists did not reject Christianity; quite
10608-405: The Normans were driven out of Greece, in 1186 the Vlachs and Bulgars began a rebellion that led to the formation of the Second Bulgarian Empire . The internal policy of the Angeloi was characterised by the squandering of the public treasure and fiscal maladministration. Imperial authority was severely weakened, and the growing power vacuum at the centre of the empire encouraged fragmentation. There
10764-452: The Persons nor dividing the Substance ". Most Christians ( Catholic , Eastern Orthodox , Oriental Orthodox , and Protestant alike) accept the use of creeds and subscribe to at least one of the creeds mentioned above. Certain Evangelical Protestants , though not all of them, reject creeds as definitive statements of faith, even while agreeing with some or all of the substance of the creeds. Also rejecting creeds are groups with roots in
10920-421: The Republic of Ireland, and Switzerland, all countries with competing denominations. Competition is found in Germany, the Netherlands, and again Switzerland, all countries with minority Catholic populations, which to a greater or lesser extent identified with the nation. Finally, separation between religion (again, specifically Catholicism) and the state is found to a great degree in France and Italy, countries where
11076-498: The Roman Empire (except Jews) to perform a sacrifice to the Roman gods. The Diocletianic Persecution beginning in 303 AD was also particularly severe. Roman persecution ended in 313 AD with the Edict of Milan . While Proto-orthodox Christianity was becoming dominant, heterodox sects also existed at the same time, which held radically different beliefs. Gnostic Christianity developed a duotheistic doctrine based on illusion and enlightenment rather than forgiveness of sin. With only
11232-680: The Sassanids occupied the Levant and Egypt and pushed into Asia Minor, while Byzantine control of Italy slipped and the Avars and Slavs ran riot in the Balkans. Although Heraclius repelled a siege of Constantinople in 626 and defeated the Sassanids in 627, this was a pyrrhic victory . The early Muslim conquests soon saw the conquest of the Levant , Egypt , and the Sassanid Empire by
11388-470: The Tetrarchy system quickly failed, the division of the empire proved an enduring concept. Constantine I ( r. 306–337 ) secured sole power in 324. Over the following six years, he rebuilt the city of Byzantium as a capital city , which was renamed Constantinople . Rome , the previous capital, was further from the important eastern provinces and in a less strategically important location; it
11544-481: The Turkish invaders at the Battle of Hyelion and Leimocheir , brought troops from the capital and was able to gather an army along the way, a sign that the Byzantine army remained strong and that the defensive program of western Asia Minor was still successful. John and Manuel pursued active military policies, and both deployed considerable resources on sieges and city defences; aggressive fortification policies were at
11700-637: The West , the papacy became a political player, first visible in Pope Leo 's diplomatic dealings with Huns and Vandals . The church also entered into a long period of missionary activity and expansion among the various tribes. While Arianists instituted the death penalty for practicing pagans (see the Massacre of Verden , for example), Catholicism also spread among the Hungarians , the Germanic ,
11856-908: The West during this period was enormous and of long-lasting significance. The later rise of Islam in North Africa reduced the size and numbers of Christian congregations, leaving in large numbers only the Coptic Church in Egypt, the Ethiopian Orthodox Tewahedo Church in the Horn of Africa and the Nubian Church in the Sudan (Nobatia, Makuria and Alodia). With the decline and fall of the Roman Empire in
12012-610: The West, Khosrow I of the Sasanian Empire invaded Byzantine territory and sacked Antioch in 540. Meanwhile, the emperor's internal reforms and policies began to falter, not helped by a devastating plague that killed a large proportion of the population and severely weakened the empire's social and financial stability. The most difficult period of the Ostrogothic war, against their king Totila , came during this decade, while divisions among Justinian's advisors undercut
12168-401: The West. Zeno ( r. 474–491 ) convinced the problematic Ostrogoth king Theodoric to take control of Italy from Odoacer, which he did; dying with the empire at peace, Zeno was succeeded by Anastasius I ( r. 491–518 ). Although his Monophysitism brought occasional issues, Anastasius was a capable administrator and instituted several successful financial reforms including
12324-596: The Western provinces to achieve an economic revival that continued until the close of the century. It has been argued that Byzantium under the Komnenian rule was more prosperous than at any time since the Persian invasions of the 7th century. During the 12th century, population levels rose and extensive tracts of new agricultural land were brought into production. Archaeological evidence from both Europe and Asia Minor shows
12480-522: The abolition of the chrysargyron tax . He was the first emperor to die with no serious problems affecting his empire since Diocletian. The reign of Justinian I was a watershed in Byzantine history. Following his accession in 527, the law-code was rewritten as the influential Corpus Juris Civilis and Justinian produced extensive legislation on provincial administration; he reasserted imperial control over religion and morality through purges of non-Christians and "deviants"; and having ruthlessly subdued
12636-590: The administration's response. He also did not fully heal the divisions in Chalcedonian Christianity , as the Second Council of Constantinople failed to make a real difference. Justinian died in 565; his reign saw more success than that of any other Byzantine emperor, yet he left his empire under massive strain. Financially and territorially overextended, Justin II ( r. 565–578 )
12792-568: The aristocracy turned into wholesale slaughter, while the emperor resorted to ever more ruthless measures to shore up his regime. Despite his military background, Andronikos failed to deal with Isaac Komnenos of Cyprus, Béla III of Hungary who reincorporated Croatian territories into Hungary, and Stephen Nemanja of Serbia who declared his independence from the Byzantine Empire. Yet, none of these troubles compared to William II of Sicily 's invasion force of 300 ships and 80,000 men, arriving in 1185 and sacking Thessalonica . Andronikos mobilised
12948-495: The capital, and Alexios Angelos was elevated to the throne as Alexios IV along with his blind father Isaac. Alexios IV and Isaac II were unable to keep their promises and were deposed by Alexios V . The crusaders again took the city on 13 April 1204 , and Constantinople was subjected to pillage and massacre by the rank and file for three days. Many priceless icons, relics and other objects later turned up in Western Europe ,
13104-532: The churches of Rome. Its points include: The Nicene Creed was formulated, largely in response to Arianism , at the Councils of Nicaea and Constantinople in 325 and 381 respectively, and ratified as the universal creed of Christendom by the First Council of Ephesus in 431. The Chalcedonian Definition , or Creed of Chalcedon, developed at the Council of Chalcedon in 451, though rejected by
13260-469: The city had collapsed so severely that it was now little more than a cluster of villages separated by fields. On 2 April 1453, Sultan Mehmed 's army of 80,000 men and large numbers of irregulars laid siege to the city. Despite a desperate last-ditch defence of the city by the massively outnumbered Christian forces (c. 7,000 men, 2,000 of whom were foreign), Constantinople finally fell to the Ottomans after
13416-701: The contrary, many of the greatest works of the Renaissance were devoted to it, and the Catholic Church patronized many works of Renaissance art . Much, if not most, of the new art was commissioned by or in dedication to the Church. Some scholars and historians attribute Christianity to having contributed to the rise of the Scientific Revolution . Many well-known historical figures who influenced Western science considered themselves Christian such as Nicolaus Copernicus , Galileo Galilei , Johannes Kepler , Isaac Newton and Robert Boyle . In
13572-550: The crusade was to conquer Egypt , the centre of Muslim power in the Levant. The Crusader army arrived at Venice in the summer of 1202 and hired the Venetian fleet to transport them to Egypt. As a payment to the Venetians, they captured the (Christian) port of Zara in Dalmatia , which was a vassal city of Venice, it had rebelled and placed itself under Hungary's protection in 1186. Shortly afterward, Alexios IV Angelos , son of
13728-508: The decisions, and the two principal churches remain in schism to the present day. However, the Catholic Church has achieved union with various smaller eastern churches . In the thirteenth century, a new emphasis on Jesus' suffering, exemplified by the Franciscans' preaching, had the consequence of turning worshippers' attention towards Jews, on whom Christians had placed the blame for Jesus' death . Christianity's limited tolerance of Jews
13884-504: The deposed and blinded Emperor Isaac II, made contact with the Crusaders. Alexios offered to reunite the Byzantine church with Rome, pay the Crusaders 200,000 silver marks, join the crusade, and provide all the supplies they needed to reach Egypt. The crusaders arrived at Constantinople in the summer of 1203 and quickly attacked , starting a major fire that damaged large parts of the city, and briefly seized control. Alexios III fled from
14040-711: The division caused by the Reformation led to outbreaks of religious violence and the establishment of separate state churches in Europe. Lutheranism spread into the northern, central, and eastern parts of present-day Germany, Livonia , and Scandinavia. Anglicanism was established in England in 1534. Calvinism and its varieties, such as Presbyterianism , were introduced in Scotland, the Netherlands, Hungary, Switzerland, and France. Arminianism gained followers in
14196-603: The dominant sects in both Judaism and Christianity. Christianity spread to Aramaic -speaking peoples along the Mediterranean coast and also to the inland parts of the Roman Empire and beyond that into the Parthian Empire and the later Sasanian Empire , including Mesopotamia , which was dominated at different times and to varying extents by these empires. The presence of Christianity in Africa began in
14352-400: The earliest centuries of Christian history, generally, Christians believe that Jesus is God incarnate and " true God and true man " (or both fully divine and fully human). Jesus, having become fully human , suffered the pains and temptations of a mortal man, but did not sin . As fully God, he rose to life again. According to the New Testament , he rose from the dead, ascended to heaven,
14508-533: The early 10th century, Western Christian monasticism was further rejuvenated through the leadership of the great Benedictine monastery of Cluny . In the West, from the 11th century onward, some older cathedral schools became universities (see, for example, University of Oxford , University of Paris and University of Bologna ). Previously, higher education had been the domain of Christian cathedral schools or monastic schools ( Scholae monasticae ), led by monks and nuns . Evidence of such schools dates back to
14664-702: The early Christian tradition, with the Old Testament as the gospels' respected background. Christianity began in the 1st century , after the death of Jesus, as a Judaic sect with Hellenistic influence in the Roman province of Judaea . The disciples of Jesus spread their faith around the Eastern Mediterranean area, despite significant persecution . The inclusion of Gentiles led Christianity to slowly separate from Judaism (2nd century). Emperor Constantine I decriminalized Christianity in
14820-475: The east by allowing the Goths to settle in Roman territory; he also twice intervened in the western half, defeating the usurpers Magnus Maximus and Eugenius in 388 and 394 respectively. He actively condemned paganism , confirmed the primacy of Nicene Christianity over Arianism , and established Christianity as the Roman state religion . He was the last emperor to rule both the western and eastern halves of
14976-433: The east to Calabria in southern Italy in the west. Many successes had been achieved, ranging from the conquest of Bulgaria to the annexation of parts of Georgia and Armenia, and the reconquests of Crete , Cyprus , and the important city of Antioch . These were not temporary tactical gains but long-term reconquests. At the same time, Byzantium was faced with new enemies. Its provinces in southern Italy were threatened by
15132-480: The emperor's role as the leader of the Christian world, John marched into the Holy Land at the head of the combined forces of the empire and the Crusader states; yet despite his efforts in leading the campaign, his hopes were disappointed by the treachery of his Crusader allies. In 1142, John returned to press his claims to Antioch, but he died in the spring of 1143 following a hunting accident. John's chosen heir
15288-418: The empire's demise; its citizens referred to the polity as the "Roman Empire" and to themselves as "Romans". Due to the imperial seat's move from Rome to Byzantium , the adoption of state Christianity , and the predominance of Greek instead of Latin , modern historians continue to make a distinction between the earlier Roman Empire and the later Byzantine Empire . During the earlier Pax Romana period,
15444-533: The empire's eastern defences. The emergency lent weight to the military aristocracy in Anatolia, who in 1068 secured the election of one of their own, Romanos Diogenes , as emperor. In the summer of 1071, Romanos undertook a massive eastern campaign to draw the Seljuks into a general engagement with the Byzantine army. At the Battle of Manzikert , Romanos suffered a surprise defeat against Sultan Alp Arslan and
15600-499: The empire, gaining only short-term success. To avoid another sacking of the capital by the Latins, he forced the Church to submit to Rome, again a temporary solution for which the peasantry hated Michael and Constantinople. The efforts of Andronikos II and later his grandson Andronikos III marked Byzantium's last genuine attempts to restoring the glory of the empire. However, the use of mercenaries by Andronikos II often backfired, with
15756-468: The empire; after his death, the West would be destabilised by a succession of "soldier-emperors", unlike the East, where administrators would continue to hold power. Theodosius II ( r. 408–450 ) largely left the rule of the east to officials such as Anthemius , who constructed the Theodosian Walls to defend Constantinople, now firmly entrenched as Rome's capital. Theodosius' reign
15912-522: The end of the Norman threat during Alexios' reign. Alexios's son John II Komnenos succeeded him in 1118 and ruled until 1143. John was a pious and dedicated emperor who was determined to undo the damage to the empire suffered at the Battle of Manzikert half a century earlier. Famed for his piety and his remarkably mild and just reign, John was an exceptional example of a moral ruler at a time when cruelty
16068-679: The enemies that surrounded it. To maintain his campaigns against the Latins, Michael pulled troops from Asia Minor and levied crippling taxes on the peasantry, causing much resentment. Massive construction projects were completed in Constantinople to repair the damage of the Fourth Crusade, but none of these initiatives were of any comfort to the farmers in Asia Minor suffering raids from Muslim ghazis. Rather than holding on to his possessions in Asia Minor, Michael chose to expand
16224-525: The era known as the Great Divergence , when in the West, the Age of Enlightenment and the scientific revolution brought about great societal changes, Christianity was confronted with various forms of skepticism and with certain modern political ideologies , such as versions of socialism and liberalism . Events ranged from mere anti-clericalism to violent outbursts against Christianity, such as
16380-723: The establishment of Christianity as an independent religion. This formative period was followed by the early bishops , whom Christians consider the successors of Christ's apostles . From the year 150, Christian teachers began to produce theological and apologetic works aimed at defending the faith. These authors are known as the Church Fathers , and the study of them is called patristics . Notable early Fathers include Ignatius of Antioch , Polycarp , Justin Martyr , Irenaeus , Tertullian , Clement of Alexandria and Origen . Persecution of Christians occurred intermittently and on
16536-611: The first seven years payable immediately. The expenses of the defense lines in the Caucasus against the nomads in the north, for which there was a mutual interest and had been the responsibility of the Sasanians, were included in the payments. Both sides agreed not to establish new fortifications or fortify the existing settlements on the border. To prevent spying, trade was restricted to Callinicum , Nisibis , and Dvin , while traders from other nations were restricted to Dara (under
16692-580: The following centuries, competition between Catholicism and Protestantism became deeply entangled with political struggles among European states. Meanwhile, the discovery of America by Christopher Columbus in 1492 brought about a new wave of missionary activity. Partly from missionary zeal, but under the impetus of colonial expansion by the European powers, Christianity spread to the Americas, Oceania, East Asia and sub-Saharan Africa. Throughout Europe,
16848-523: The former Byzantine possessions. Although Venice was more interested in commerce than conquering territory, it took key areas of Constantinople, and the Doge took the title of " Lord of a Quarter and Half a Quarter of the Roman Empire ". After the sack of Constantinople in 1204 by Latin crusaders, two Byzantine successor states were established: the Empire of Nicaea and the Despotate of Epirus . A third,
17004-554: The fort, allowing the Ottomans (who were hired as mercenaries during the civil war by John VI Kantakouzenos ) to establish themselves in Europe. By the time the Byzantine civil wars had ended, the Ottomans had defeated the Serbians and subjugated them as vassals. Following the Battle of Kosovo , much of the Balkans became dominated by the Ottomans. Constantinople by this stage was underpopulated and dilapidated. The population of
17160-431: The heart of their imperial military policies. Despite the defeat at Myriokephalon, the policies of Alexios, John and Manuel resulted in vast territorial gains, increased frontier stability in Asia Minor, and secured the stabilisation of the empire's European frontiers. From c. 1081 to c. 1180 , the Komnenian army assured the empire's security, enabling Byzantine civilisation to flourish. This allowed
17316-583: The historiographical periodizations of " Roman history ", " late antiquity ", and "Byzantine history" significantly overlap, there is no consensus on a "foundation date" for the Byzantine Empire, if there was one at all. The growth of the study of "late antiquity" has led to some historians setting a start date in the seventh or eighth centuries. Others believe a "new empire" began during changes in c. 300 AD. Still others hold that these starting points are too early or too late, and instead begin c. 500 . Geoffrey Greatrex believes that it
17472-730: The last century have been significant, since 1900, Christianity has spread rapidly in the Global South and Third World countries. The late 20th century has shown the shift of Christian adherence to the Third World and the Southern Hemisphere in general, with the West no longer the chief standard bearer of Christianity. Approximately 7 to 10% of Arabs are Christians , most prevalent in Egypt, Syria and Lebanon . While Christians worldwide share basic convictions, there are differences of interpretations and opinions of
17628-726: The later part of his reign, John focused his activities on the East, personally leading numerous campaigns against the Turks in Asia Minor. His campaigns fundamentally altered the balance of power in the East, forcing the Turks onto the defensive, while retaking many towns, fortresses, and cities across the peninsula for the Byzantines. He defeated the Danishmend Emirate of Melitene and reconquered all of Cilicia , while forcing Raymond of Poitiers , Prince of Antioch, to recognise Byzantine suzerainty. In an effort to demonstrate
17784-418: The measures he took to reform the government of the empire have been praised by historians. According to the historian George Ostrogorsky , Andronikos was determined to root out corruption: under his rule, the sale of offices ceased; selection was based on merit, rather than favouritism; and officials were paid an adequate salary to reduce the temptation of bribery. In the provinces, Andronikos's reforms produced
17940-655: The mid-13th century it had lost much of southern Anatolia. The weakening of the Sultanate of Rûm following the Mongol invasion in 1242–1243 allowed many beyliks and ghazis to set up their own principalities in Anatolia, weakening the Byzantine hold on Asia Minor. Two centuries later, one of the Beys of these beyliks, Osman I , would establish the Ottoman Empire that would eventually conquer Constantinople. However,
18096-663: The middle of the 1st century in Egypt and by the end of the 2nd century in the region around Carthage . Mark the Evangelist is claimed to have started the Church of Alexandria in about 43 AD; various later churches claim this as their own legacy, including the Coptic Orthodox Church . Important Africans who influenced the early development of Christianity include Tertullian , Clement of Alexandria , Origen of Alexandria , Cyprian , Athanasius , and Augustine of Hippo . King Tiridates III made Christianity
18252-695: The monastery and into the new urban setting. The two principal mendicant movements were the Franciscans and the Dominicans , founded by Francis of Assisi and Dominic , respectively. Both orders made significant contributions to the development of the great universities of Europe. Another new order was the Cistercians , whose large, isolated monasteries spearheaded the settlement of former wilderness areas. In this period, church building and ecclesiastical architecture reached new heights, culminating in
18408-546: The most capable Byzantine emperors, withstood continued Arab attacks, civil unrest, and natural disasters, and reestablished the state as a major regional power. Leo's reign produced the Ecloga , a new code of law to succeed that of Justinian II, and continued to reform the "theme system" in order to lead offensive campaigns against the Muslims, culminating in a decisive victory in 740 . Constantine overcame an early civil war against his brother-in-law Artabasdos , made peace with
18564-588: The nature of salvation , ecclesiology , ordination , and Christology . The creeds of various Christian denominations generally hold in common Jesus as the Son of God —the Logos incarnated —who ministered , suffered , and died on a cross , but rose from the dead for the salvation of humankind; and referred to as the gospel , meaning the "good news". The four canonical gospels of Matthew , Mark , Luke and John describe Jesus's life and teachings as preserved in
18720-586: The new Abbasid Caliphate , campaigned successfully against the Bulgars, and continued to make administrative and military reforms. However, due to both emperors' support for the Byzantine Iconoclasm , which opposed the use of religious icons , they were later vilified by Byzantine historians; Constantine's reign also saw the loss of Ravenna to the Lombards , and the beginning of a split with
18876-466: The newly-formed Arabic Rashidun Caliphate . By Heraclius' death in 641, the empire had been severely reduced economically as well as territorially—the loss of the wealthy eastern provinces had deprived Constantinople of three-quarters of its revenue. The next seventy-five years are poorly documented. Arab raids into Asia Minor began almost immediately, and the Byzantines resorted to holding fortified centres and avoiding battle at all costs; although it
19032-490: The now-Catholic Church, and an Eastern , largely Greek, branch (the Eastern Orthodox Church ). The two sides disagreed on a number of administrative, liturgical and doctrinal issues, most prominently Eastern Orthodox opposition to papal supremacy . The Second Council of Lyon (1274) and the Council of Florence (1439) attempted to reunite the churches, but in both cases, the Eastern Orthodox refused to implement
19188-515: The orders of Romanesque and Gothic architecture and the building of the great European cathedrals. Christian nationalism emerged during this era in which Christians felt the desire to recover lands in which Christianity had historically flourished. From 1095 under the pontificate of Urban II , the First Crusade was launched. These were a series of military campaigns in the Holy Land and elsewhere, initiated in response to pleas from
19344-569: The outset of his reign, Alexios faced a formidable attack from the Normans under Guiscard and his son Bohemund of Taranto , who captured Dyrrhachium and Corfu and laid siege to Larissa in Thessaly . Guiscard's death in 1085 temporarily eased the Norman problem. The following year, the Seljuq sultan died, and the sultanate was split due to internal rivalries. By his own efforts, Alexios defeated
19500-707: The papacy. This conflict came to a head in the First Vatican Council , and in Germany would lead directly to the Kulturkampf . Christian commitment in Europe dropped as modernity and secularism came into their own, particularly in the Czech Republic and Estonia , while religious commitments in America have been generally high in comparison to Europe. Changes in worldwide Christianity over
19656-521: The patriarch Nicholas , the powerful Simeon I of Bulgaria , and other influential figures jockeyed for power. In 920, the admiral Romanos I used his fleet to secure power, crowning himself and demoting Constantine to the position of junior co-emperor. His reign, which brought peace with Bulgaria and successes in the east under the general John Kourkouas , was ended in 944 by the machinations of his sons, whom Constantine soon usurped in turn. Constantine's ineffectual sole rule has often been construed as
19812-402: The peaks in Christian history and Christian civilization , and Constantinople remained the leading city of the Christian world in size, wealth, and culture. There was a renewed interest in classical Greek philosophy , as well as an increase in literary output in vernacular Greek. Byzantine art and literature held a preeminent place in Europe, and the cultural impact of Byzantine art on
19968-410: The pope and Western Christian kingdoms, and he successfully handled the passage of the crusaders through his empire. In the East, Manuel suffered a major defeat in 1176 at the Battle of Myriokephalon against the Turks. These losses were quickly recovered, and in the following year Manuel's forces inflicted a defeat upon a force of "picked Turks". The Byzantine commander John Vatatzes , who destroyed
20124-439: The ports of southern Italy, he sent an expedition to Italy in 1155, but disputes within the coalition led to the eventual failure of the campaign. Despite this military setback, Manuel's armies successfully invaded the southern parts of the Kingdom of Hungary in 1167, defeating the Hungarians at the Battle of Sirmium . By 1168, nearly the whole of the eastern Adriatic coast lay in Manuel's hands. Manuel made several alliances with
20280-417: The role of tradition, the seven sacraments , and other doctrines and practices. The Reformation in England began in 1534, when King Henry VIII had himself declared head of the Church of England . Beginning in 1536, the monasteries throughout England, Wales and Ireland were dissolved . Thomas Müntzer , Andreas Karlstadt and other theologians perceived both the Catholic Church and the confessions of
20436-443: The rule of an emperor. The senate had its own identity but would become an extension of the emperor's court, becoming largely ceremonial. Christianity Christianity is an Abrahamic monotheistic religion, professing that Jesus Christ was raised from the dead and is the Son of God , whose coming as the Messiah was prophesied in the Hebrew Bible (called the Old Testament in Christianity) and chronicled in
20592-402: The state actively opposed itself to the authority of the Catholic Church. The combined factors of the formation of nation states and ultramontanism , especially in Germany and the Netherlands, but also in England to a much lesser extent, often forced Catholic churches, organizations, and believers to choose between the national demands of the state and the authority of the Church, specifically
20748-497: The state. Variables were the relative sizes of the denominations and the religious, political, and ideological orientation of the states. Urs Altermatt of the University of Fribourg , looking specifically at Catholicism in Europe, identifies four models for the European nations. In traditionally Catholic-majority countries such as Belgium, Spain, and Austria, to some extent, religious and national communities are more or less identical. Cultural symbiosis and separation are found in Poland,
20904-491: The throne. Alexios was highly incompetent in the office, and with his mother Maria of Antioch 's Frankish background, his regency was unpopular. Eventually, Andronikos I Komnenos , a grandson of Alexios I, overthrew Alexios II in a violent coup d'état . After eliminating his potential rivals, he had himself crowned as co-emperor in September 1183. He eliminated Alexios II and took his 12-year-old wife Agnes of France for himself. Andronikos began his reign well; in particular,
21060-432: The treaty after years of increased tensions at multiple fronts, initiating the war of 572–591 . Among ancient sources, Menander Protector and Theophylaktos Simokattes blame Justin II, while Theophanes of Byzantium disagrees. Byzantine Empire The Byzantine Empire , also referred to as the Eastern Roman Empire , was the continuation of the Roman Empire centred in Constantinople during late antiquity and
21216-442: The unpopular Irene was overthrown by Nikephoros I ; he reformed the empire's administration but died in battle against the Bulgars in 811. Military defeats and societal disorder, especially the resurgence of iconoclasm, characterised the next eighteen years. Stability was somewhat restored during the reign of Theophilos ( r. 829–842 ), who exploited economic growth to complete construction programs, including rebuilding
21372-408: The west, the warlord Odoacer deposed Romulus Augustulus in 476, killed his titular successor Julius Nepos in 480, and the office of western emperor was formally abolished. Through a combination of luck, cultural factors, and political decisions, the Eastern empire never suffered from rebellious barbarian vassals and was never ruled by barbarian warlords—the problems which ensured the downfall of
21528-431: The western parts of the empire became increasingly Latinised , while the eastern parts largely retained their preexisting Hellenistic culture . This created a dichotomy between the Greek East and Latin West . These cultural spheres continued to diverge after Constantine I ( r. 324–337 ) moved the capital to Constantinople and legalised Christianity . Under Theodosius I ( r. 379–395 ), Christianity became
21684-437: The world, particularly in the Middle East , North Africa , East Asia , and South Asia . Early Jewish Christians referred to themselves as 'The Way' ( Koinē Greek : τῆς ὁδοῦ , romanized: tês hodoû ), probably coming from Isaiah 40:3 , "prepare the way of the Lord". According to Acts 11:26 , the term "Christian" ( Χρῑστῐᾱνός , Khrīstiānós ), meaning "followers of Christ" in reference to Jesus's disciples ,
21840-422: The zenith of Byzantine learning , but while several works were compiled, they were largely intended to legitimise and glorify the emperor's Macedonian dynasty . His son and successor died young; under two soldier-emperors, Nikephoros II ( r. 963–969 ) and John I Tzimiskes ( r. 969–976 ), the Roman army claimed numerous military successes, including the conquest of Cilicia and Antioch , and
21996-447: Was besieged in August 1068 and fell in April 1071 . About 1053, Constantine IX disbanded what the historian John Skylitzes calls the "Iberian Army", which consisted of 50,000 men, and it was turned into a contemporary Drungary of the Watch . Two other knowledgeable contemporaries, the former officials Michael Attaleiates and Kekaumenos , agree with Skylitzes that by demobilising these soldiers, Constantine did catastrophic harm to
22152-560: Was captured. Alp Arslan treated him with respect and imposed no harsh terms on the Byzantines. In Constantinople a coup put in power Michael Doukas , who soon faced the opposition of Nikephoros Bryennios and Nikephoros III Botaneiates . By 1081, the Seljuks had expanded their rule over virtually the entire Anatolian plateau from Armenia in the east to Bithynia in the west, and had established their capital at Nicaea , just 90 kilometres (56 miles) from Constantinople. The Komnenian dynasty attained full power under Alexios I in 1081. From
22308-412: Was ended with the Edict of Toleration in 311 and the Edict of Milan in 313. At that point, Christianity was still a minority belief, comprising perhaps only 5% of the Roman population. Influenced by his adviser Mardonius , Constantine's nephew Julian unsuccessfully tried to suppress Christianity. On 27 February 380, Theodosius I , Gratian , and Valentinian II established Nicene Christianity as
22464-414: Was first used in the city of Antioch by the non-Jewish inhabitants there. The earliest recorded use of the term "Christianity/Christianism" ( Χρῑστῐᾱνισμός , Khrīstiānismós ) was by Ignatius of Antioch around 100 AD . The name Jesus comes from ‹See Tfd› Greek : Ἰησοῦς Iēsous , likely from Hebrew / Aramaic : יֵשׁוּעַ Yēšūaʿ. Christianity developed during the 1st century AD as
22620-449: Was given credit for his predecessor's achievements. Basil I ( r. 867–886 ) continued Michael's policies. His armies campaigned with mixed results in Italy but defeated the Paulicians of Tephrike . His successor Leo VI ( r. 886–912 ) compiled and propagated a huge number of written works. These included the Basilika , a Greek translation of Justinian I's law-code which included over 100 new laws of Leo's devising;
22776-514: Was his fourth son, Manuel I Komnenos , who campaigned aggressively against his neighbours both in the west and east. In Palestine, Manuel allied with the Crusader Kingdom of Jerusalem and sent a large fleet to participate in a combined invasion of Fatimid Egypt . Manuel reinforced his position as overlord of the Crusader states, with his hegemony over Antioch and Jerusalem secured by agreement with Raynald , Prince of Antioch, and Amalric of Jerusalem . In an effort to restore Byzantine control over
22932-487: Was invaded annually, Anatolia avoided permanent Arab occupation. The outbreak of the First Fitna in 656 gave Byzantium breathing space, which it used wisely: some order was restored in the Balkans by Constans II ( r. 641–668 ), who began the administrative reorganisation known as the " theme system ", in which troops were allocated to defend specific provinces. With the help of the recently rediscovered Greek fire , Constantine IV ( r. 668–685 ) repelled
23088-497: Was marked by the theological dispute over Nestorianism , which was eventually deemed heretical , and by the formulation of the Codex Theodosianus law code. It also saw the arrival of Attila 's Huns , who ravaged the Balkans and exacted a massive tribute from the empire; Attila however switched his attention to the rapidly-deteriorating western empire , and his people fractured after his death in 453. After Leo I ( r. 457–474 ) failed in his 468 attempt to reconquer
23244-406: Was not esteemed by the "soldier-emperors" who ruled from the frontiers or by the empire's population who, having been granted citizenship , considered themselves "Roman". Constantine extensively reformed the empire's military and civil administration and instituted the gold solidus as a stable currency. He favoured Christianity , which he had converted to in 312. Constantine's dynasty fought
23400-400: Was not new—Augustine of Hippo said that Jews should not be allowed to enjoy the citizenship that Christians took for granted—but the growing antipathy towards Jews was a factor that led to the expulsion of Jews from England in 1290 , the first of many such expulsions in Europe. Beginning around 1184, following the crusade against Cathar heresy, various institutions, broadly referred to as
23556-506: Was occupied by conflicts against two prominent generals, Bardas Skleros and Bardas Phokas , which ended in 989 with the former's death and the latter's submission. Between 1021 and 1022, following years of tensions, Basil II led a series of victorious campaigns against the Kingdom of Georgia , resulting in the annexation of several Georgian provinces to the empire. Basil's successors also annexed Bagratid Armenia in 1045. Importantly, both Georgia and Armenia were significantly weakened by
23712-450: Was only used to describe the inhabitants of that city; it did not refer to the empire, which they called Romanía —"Romanland". After the empire's fall, early modern scholars referred to the empire by many names, including the "Empire of Constantinople", the "Empire of the Greeks", the "Eastern Empire", the "Late Empire", the "Low Empire", and the "Roman Empire". The increasing use of "Byzantine" and "Byzantine Empire" likely started with
23868-441: Was overthrown in 695 after attempting to exact too much from his subjects; over the next twenty-two years, six more rebellions followed in an era of political instability . The reconstituted caliphate sought to break Byzantium by taking Constantinople, but the newly crowned Leo III managed to repel the 717–718 siege , the first major setback of the Muslim conquests. Leo and his son Constantine V ( r. 741–775 ), two of
24024-467: Was soon at war on many fronts. The Lombards , fearing the aggressive Avars , conquered much of northern Italy by 572. The Sasanian wars restarted that year, and continued until the emperor Maurice finally emerged victorious in 591; by that time, the Avars and Slavs had repeatedly invaded the Balkans , causing great instability. Maurice campaigned extensively in the region during the 590s, but although he managed to re-establish Byzantine control up to
24180-399: Was the first of a series of ecumenical councils , which formally defined critical elements of the theology of the Church, notably concerning Christology . The Church of the East did not accept the third and following ecumenical councils and is still separate today by its successors ( Assyrian Church of the East ). In terms of prosperity and cultural life, the Byzantine Empire was one of
24336-428: Was the norm. For this reason, he has been called the Byzantine Marcus Aurelius . During his twenty-five-year reign, John made alliances with the Holy Roman Empire in the West and decisively defeated the Pechenegs at the Battle of Beroia . He thwarted Hungarian and Serbian threats during the 1120s, and in 1130 he allied himself with Lothair III , the German Emperor against the Norman King Roger II of Sicily . In
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