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The Gölbaşı Ground Station ( Turkish : Gölbaşı Uydu Yer Kontrol Merkezi ) is a ground station designed as a terminal for telecommunication with Türksat spacecraft . Owned and operated by the state-owned telecommunications provider Türksat company, it is situated in Gölbaşı district of Ankara Province in Turkey. The earth station was launched on 11 August 1994 to service Turkey's first communications satellite Türksat 1B . Its backup facility was on the campus of Middle East Technical University (ODTÜ), about 40 km (25 mi) away. The ground station consists of equipment including 9-meter (30 ft) and 11-meter (36 ft) parabolic antennas , electronic devices, data processing system and uninterrupted power supply unit for telecommunication with the Türksat 1C , 2A 3A satellites in orbit. The backup station has a 9-meter (30 ft) antenna available.

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124-450: The facility features, in full backup, a satellite control center, an observation and control center, a communications observation center and a data encryption center. A satellite simulator provides training for the operators, snd is also used for approval of procedures to be applied on the spacecraft. Since the ground station in Gölbaşı is capable of servicing no more than three satellites at

248-462: 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

372-535: A Metropolitan Municipality. Home to several industrial parks. The city ranks among the Anatolian Tigers . In 2012 exports from Konya reached 130 countries. A number of Turkish industrial conglomerates, such as Bera (ex Kombassan) Holding, have their headquarters in Konya. While agriculture-based industries play a role, the city's economy has evolved into a center for the manufacturing of components for

496-467: 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

620-645: 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

744-464: 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, was only used to describe the inhabitants of that city; it did not refer to the empire, which they called Romanía —"Romanland". After

868-562: A girls' school. In 1923 during the population exchange between Greece and Turkey , the Greeks of the nearby village of Sille were forced to leave as refugees and resettle in Greece . The first local administration in Konya was founded in 1830 and converted into a municipality in 1876. In March 1989, the municipality became a Metropolitan Municipality. As of that date, Konya had three central district municipalities (Meram, Selçuklu, Karatay) and

992-595: 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

1116-512: 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

1240-651: 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

1364-744: A newly established kingdom. Following the fall of the Anatolian Seljuk Sultanate in 1307, Konya became the capital of the Karamanids , a Turkish beylik , which lasted until 1322 when the city was captured by the neighbouring Beylik of Karamanoğlu . In 1420, the Beylik of Karamanoğlu fell to the Ottoman Empire and, in 1453, Konya was made the provincial capital of the Karaman Eyalet . Under Ottoman rule, Konya

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1488-562: A period of 48 hours, the re-establishment of the link is unlikely. Konya Konya is a major city in central Turkey , on the southwestern edge of the Central Anatolian Plateau , and is the capital of Konya Province . During antiquity and into Seljuk times it was known as Iconium . In 19th-century accounts of the city in English its name is usually spelt Konia or Koniah . In the late medieval period, Konya

1612-760: A period of chaos overwhelmed Anatolia after the Seljuk victory in the Battle of Manzikert in 1071, and the Norman mercenary leader Roussel de Bailleul rose in revolt at Iconium. The city was finally conquered by the Seljuks in 1084. Iconium became the second capital of the Seljuk Sultanate of Rum after the fall of Nicaea until 1243. It was briefly occupied by the army of the First Crusade (August 1097) and Frederick Barbarossa (May 18, 1190) after

1736-484: A range of destinations, including Istanbul , Ankara and İzmir . It is connected to the town centre by a tram. The Konya Tram network is 41 km (25 mi) long and has two lines with 41 stations. Opened in 1992, it was expanded in 1996 and 2015. The Konya Tram uses Škoda 28 T vehicles. Work began on building a Konya Metro in 2020 and is expected to be completed in 2024 and will have 22 stations. Konya also has an extensive inner-city bus network. Konya

1860-450: 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

1984-417: 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

2108-506: A time, it is projected to expand its capacity with regard of the launch of Türksat 4A satellite in 2014. The construction of a backup ground station in Konya is planned. On December 20, 2007, an earthquake of 5.7 magnitude occurred in Balâ, Ankara , about 15 km (9.3 mi) far from Gölbaşı Ground Station. Although the ground station was not affected by the earthquake, the incident showed

2232-498: A traditional rice dish made from meat and assorted vegetables. Konya is also known for its sweets, including cezerye , an old Turkish sweet made from carrots, and pişmaniye , which is similar to American cotton candy. The city's football team Konyaspor is part of the Turkish Professional Football League . On May 31, 2017, they won their first national trophy, beating İstanbul Başakşehir to

2356-517: 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

2480-727: Is twinned with: General Byzantine 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 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

2604-625: Is connected to Ankara , Eskişehir , Istanbul and Karaman via the high-speed railway services of the Turkish State Railways . Konya Airport (KYA) is a public airport but also a military airbase used by NATO . The Third Air Wing of the 1st Air Force Command is based at the Konya Air Base . The wing controls the four Boeing 737 AEW&C Peace Eagle aircraft of the Turkish Air Force . Konya

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2728-541: 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

2852-547: 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

2976-688: Is in the southern part of the Central Anatolia Region with the southernmost side of the province hemmed in by the Taurus Mountains . Konya has a cold semi-arid climate ( BSk ) under the Köppen classification and a temperate continental ( Dc ) climate under the Trewartha classification. Summer daytime temperatures average 30 °C (86 °F), although summer nights are cool. The highest temperature recorded in Konya

3100-449: 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

3224-730: Is served by frequent flights from Istanbul whereas flights to and from İzmir are offered few times a week. Konya is believed to correspond to the Late Bronze Age toponym Ikkuwaniya known from Hittite records. This placename is regarded as Luwian in origin. During classical antiquity and the medieval period it was known as Ἰκόνιον ( Ikónion ) in Greek (with regular Medieval Greek apheresis [Kónio(n)] Error: {{Lang}}: invalid parameter: |script= ( help ) ) and as Iconium in Latin . A folk etymology holds that

3348-715: 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 ,

3472-649: The Battle of Iconium (1190) . The area was reoccupied by the Turks after the Crusaders left. Konya reached the height of its wealth and influence in the second half of the 12th century when the Seljuk sultans of Rum also subdued the Anatolian beyliks to their east, especially that of the Danishmends , thus establishing their rule over virtually all of eastern Anatolia ,. They also acquired several port towns along

3596-536: 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

3720-706: 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

3844-633: 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

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3968-475: 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 ,

4092-750: 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

4216-636: 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

4340-540: The Karamanids , before being taken over by the Ottoman Empire in the 15th century. After the Turkish War of Independence the city became part of the modern Republic of Turkey. Excavations have shown that the region was inhabited during the Late Copper Age , around 3000 BC. The Phrygians established their kingdom in central Anatolia in the eighth century BC and Xenophon describes Iconium (as

4464-641: 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 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,

4588-576: The Mediterranean (including Alanya ) and the Black Sea (including Sinop ) and even gained a brief foothold in Sudak , Crimea . This golden age lasted until the first decades of the 13th century. Many Persians and Persianised Turks from Persia and Central Asia migrated to Anatolian cities either to flee the invading Mongols or to benefit from the opportunities for educated Muslims in

4712-689: 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 ,

4836-431: 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 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

4960-411: 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

5084-421: The Renaissance and were draped over furniture to show off the wealth and status of their owners. They often crop up in contemporary oil paintings as symbols of the wealth of the painter's clients. One of the city's best-known dishes, etli ekmek consists of slices of lamb served on flaps of soft white bread. Konya is also known for unfeasibly long pides (Turkish pizzas) intended to be shared, and tirit ,

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5208-461: 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 the "land of the Romans" ( Bilād al-Rūm ), but the people of medieval Western Europe preferred to call them "Greeks" ( Graeci ), due to having

5332-407: 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,

5456-410: The Türkiye Kupası in a penalty shootout. They repeated this success on August 6, 2017, defeating Beşiktaş to win the Türkiye Süper Kupası (Turkish Super Bowl). Konya Metropolitan Stadium (Konya Büyükşehir Stadyumu) is in the Selçuklu neighbourhood and can seat up to 42,000 spectators. The city hosted the 2022 Islamic Solidarity Games in August 2022. Founded in 1975, Selçuk University had

5580-437: 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 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

5704-457: 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

5828-510: 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

5952-408: 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

6076-408: 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

6200-415: 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

6324-432: 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

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6448-411: 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

6572-405: 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

6696-411: The Ottomans. During the Turkish War of Independence (1919–1922) Konya was a major air base . In 1922, the air force, renamed as the Inspectorate of Air Forces, was headquartered in Konya. Before 1923, 4,000 Orthodox, Turkish-speaking and Greek-speaking Christians lived there. The Greek community numbered approximately 2,500 people who maintained, at their own expense, a church, a boys' school and

6820-401: 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

6944-413: 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

7068-426: 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

7192-486: 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

7316-401: 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

7440-429: 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

7564-522: 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

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7688-401: 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 )

7812-568: 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

7936-443: The automotive industry; machinery manufacturing; agricultural tools; casting; plastic paints and chemicals; construction materials; paper and packaging; processed foods; textiles; and leather. Turkey's largest solar farm is located 20 miles east of the city, near Karapınar . Konya sits in the center of the largest province, in the largest plain ( Konya Plain ), and is the seventh most heavily populated city in Turkey. The city

8060-429: The beginning of his Third Missionary Journey several years later. According to the apocryphal Acts of Paul and Thecla , Iconium was also the birthplace of Saint Thecla , who saved the city from attack by the Isaurians in 354. Under the Byzantine Empire , the city became the seat of a bishop, and in c.  370 was raised to the status of a metropolitan see for Lycaonia , with Saint Amphilochius as

8184-403: The capital to Constantinople and legalised Christianity . Under Theodosius I ( r. 379–395 ), Christianity became 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

8308-432: 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 ,

8432-413: 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

8556-406: The city was originally called) as the last city of Phrygia. The region was overwhelmed by Cimmerian invaders c.  690 BC . Later it formed part of the Persian Empire , until Darius III was defeated by Alexander the Great in 333 BC. Alexander's empire broke up shortly after his death and the town came under the rule of Seleucus I Nicator . During the Hellenistic period the town

8680-439: 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

8804-447: 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

8928-475: 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

9052-433: 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

9176-537: 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

9300-533: 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

9424-496: 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 the 15th-century historian Laonikos Chalkokondyles , whose works were widely propagated, including by Hieronymus Wolf . "Byzantine"

9548-552: 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

9672-468: 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

9796-522: 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

9920-679: 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

10044-611: The first metropolitan bishop. In the 7th century it became part of the Anatolic Theme and was, together with the nearby (Caballa) Kaballah Fortress ( Turkish : Gevale Kalesi ) ( location ) a frequent target of Arab attacks during the Arab–Byzantine wars in the eighth to tenth century, being captured by Arabs in 723–724. The rebellious general Andronikos Doukas used the Kaballah fortress as his base in 905–906. During

10168-584: 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,

10292-610: 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

10416-488: 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

10540-726: The largest number of students (76,080) of any public university in Turkey during the 2008–09 academic year. The other public university, Necmettin Erbakan University , was established in Konya in 2010. Private colleges in Konya include the KTO Karatay University. Konya hosts the Anatolian Eagle Tactical Training Centre for training NATO Allies and friendly Air Forces. The central bus station has connections to

10664-674: 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

10788-418: 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

10912-592: 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,

11036-546: 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

11160-468: The name Ikónion was derived from εἰκών (' icon '), referring to an ancient Greek legend according to which the hero Perseus vanquished the native population with an image of the " Gorgon Medusa 's head " before founding the city. Konya was known as Dârülmülk to the Rum Seljuks . The Konya region has been inhabited since the third millennium BC and fell at different times under

11284-586: 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

11408-636: The new vilayet system introduced in 1864. In 1832 Anatolia was invaded by Mehmed Ali Paşa of Kavala whose son, İbrahim Paşa , occupied Konya. Although he was driven out with the help of the European powers, Konya went into a decline after this, as described by the British traveller, William Hamilton, who visited in 1837 and found a scene 'of destruction and decay', as he recorded in his Researches in Asia Minor, Pontus and Armenia , published in 1842. Konya's textile and mining industries flourished under

11532-466: 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

11656-569: 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

11780-521: 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

11904-410: 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

12028-605: 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

12152-405: The possible risk of telecommunication blackout and loss of satellites in orbit in case of an earthquake. Due to proximity of the backup facility to the ground station, the earthquake risk is much high. It is required that the backup facility's location should be at least 200 km (120 mi) away. A report states that when the link between the spacecraft and the earth station is interrupted for

12276-574: 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, 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

12400-441: 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 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

12524-681: The rule of the Hittites , the Phrygians , the Greeks , the Persians and the Romans . In the 11th century the Seljuk Turks conquered the area and began ruling over its Rûm ( Byzantine Greek ) inhabitants, making Konya the capital of their new Sultanate of Rum . Under the Seljuks, the city reached the height of its wealth and influence. Following their demise, Konya came under the rule of

12648-473: The tenth or eleventh century the church of Saint Amphilochius was constructed inside the citadel of Kaballa, housing the tomb of the saint which the Turks later believed to be the tomb of Plato , renaming the church to Eflâtun Mescidi (mosque of Plato). The monastery of Saint Chariton , another local from Iconium, was located a few miles away in Sylata . The Seljuk Turks first raided the area in 1069 , but

12772-548: 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,

12896-442: 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

13020-474: 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 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

13144-463: 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

13268-422: 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

13392-448: Was 40.9 °C (106 °F) on 14 August 2023, closely beating the former record of 40.6 °C (105 °F) on 30 July 2000. Winters average −4.2 °C (24 °F), and the lowest temperature recorded was −26.5 °C (−16 °F) on 6 February 1972. Precipitation levels are low and happen mainly in winter and spring. Konya has a reputation for being one of the more religiously conservative metropolitan centres in Turkey. Konya

13516-525: Was administered by the Sultan's sons ( Şehzade ) , starting with Şehzade Mustafa and Şehzade Cem (the sons of Sultan Mehmed II ), and continuing with the future Sultan Selim II . Between 1483 and 1864, Konya was the administrative capital of the Karaman Eyalet . During the reforming Tanzimat period, it became the seat of the larger Vilayet of Konya which replaced the Karaman Eyalet, as part of

13640-604: 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

13764-560: 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

13888-561: 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;

14012-581: 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

14136-546: 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

14260-564: 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

14384-406: 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

14508-506: 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

14632-494: 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

14756-484: Was ruled by the kings of Pergamon . As Attalus III , the last king of Pergamon, was about to die without an heir, he bequeathed his kingdom to the Roman Republic . Once incorporated into the Roman Empire , under emperor Claudius , the city's name was changed to Claudiconium. During the reign of emperor Hadrianus it was known as Colonia Aelia Hadriana. Paul and Silas probably visited Konya during Paul's Second Missionary Journey in about AD 50, as well as near

14880-519: 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

15004-532: Was the capital of the Seljuk Turks ' Sultanate of Rum , from where the sultans ruled over Anatolia. As of 2023, the population of the Metropolitan Province was just over 2.3 million, making it the sixth most populous city in Turkey , and second most populous of the Central Anatolia Region , after Ankara . Konya is served by TCDD high-speed train ( YHT ) services from Istanbul , Ankara and Karaman . The local airport ( Konya Havalimanı , KYA)

15128-731: Was the final home of Rumi (Mevlana), whose turquoise-domed tomb in the city is its primary tourist attraction. In 1273, Rumi's followers established the Mevlevi Sufi order of Islam and became known as the Whirling Dervishes . Every Saturday, there are Whirling Dervish performances ( semas ) at the Mevlana Cultural Centre. Unlike some of the commercial performances staged in cities like Istanbul, these are genuinely spiritual sessions. Expensive, richly patterned Konya carpets were exported to Europe during

15252-766: 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

15376-415: 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 the historiographical periodizations of " Roman history ", " late antiquity ", and "Byzantine history" significantly overlap, there

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