Sep 19, 2018 · The Byzantine Empire, often called the Eastern Roman Empire or simply Byzantium, existed from 330 to 1453.With its capital founded at Constantinople by Constantine I (r. 306-337), the Empire varied in size over the centuries, at one time or another, possessing territories located in Italy, Greece, the Balkans, Levant, Asia Minor, and North Africa.
State of the Byzantine Empire. Constantinople had been an imperial capital since its consecration in 330 under Roman emperor Constantine the Great.In the following eleven centuries, the city had been besieged many times but was captured only once before: the Sack of Constantinople during the Fourth Crusade in 1204.
The empire's western enemies soon resumed attacking the empire, while the social divisions the deeply unpopular union created inside the empire were damaging to Byzantine society. The controversy over church union failed to provide the empire with any lasting benefit, while the prisons were soon full of dissenters and Orthodox clergy.
Fall of Constantinople (May 29, 1453), conquest of Constantinople by Sultan Mehmed II of the Ottoman Empire. The Byzantine Empire came to an end when the Ottomans breached Constantinople’s ancient land wall after besieging the city for 55 days. The fall of the city allowed for Ottoman expansion into eastern Europe.