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BYZANTINE EMPIRE: 315 to 1453 | ![]() |
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| 315 | Roman Empire split into East (Byzantine) and West | |
| 330 | Emperor Constantine builds Constantinople (Byzantium) | |
| 527 | Accession of Emperor Justinian - Code of Civil Law | |
| 537 | Hagia Sophia cathedral built in Constantinople | |
| 552 | Byzantines complete conquest of Italy and Spain | |
| 627 | Byzantines under Heraclius defeat Persians | |
| 1018 | Bulgars subjected by Byzantine Emperor Basil 11 | |
| 1261 | Constantinople restored to Byzantine rule after 4th Crusade | |
| 1453 | Constantinople taken by Turks - end of Byzantine Empire |