⛪ Byzantium: The Empire That Wouldn't Fall

What you’ll learn

1. Rome Didn't Fall in 476Understand that the eastern Roman Empire survived 476 as Byzantium and why it endured.The fall of Rome in 476 ended only the western empire; the east, ruled from Constantinople, continued for nearly a millennium. Its people called themselves Romans. Founded by Constantine in 330, the wealthy, well-defended eastern capital survived thanks to riches, strong walls, gold diplomacy, and an effective bureaucracy while the poorer west fragmented.
2. Justinian and TheodoraLearn how Justinian and Theodora reshaped the empire through conquest, the Hagia Sophia, and Roman law.Justinian I sought to restore the Roman Empire, briefly reconquering North Africa and Italy. His wife Theodora saved his throne during the Nika riots. He built the magnificent Hagia Sophia and, most enduringly, codified Roman law in the Corpus Juris Civilis, which later became the foundation of European civil law.
3. Walls, Fire, and the Icon WarsExplore the Theodosian Walls, Greek fire, and the iconoclasm controversy that defined the empire.The Theodosian Walls repelled sieges for a thousand years, aided by Greek fire, a mysterious incendiary that burned on water and whose formula was lost. In the eighth and ninth centuries the empire convulsed over iconoclasm, the fight over venerating sacred images, resolved in 843 with the permanent restoration of icons central to Orthodox worship.
4. The Medieval Peak and the Betrayal of 1204Trace the empire from Basil II's golden age through Manzikert to the sack of 1204.Under Basil II, the Bulgar-Slayer, Byzantium reached a medieval peak of wealth and power by 1025. Defeat at Manzikert in 1071 opened Anatolia to the Turks and helped spark the Crusades. In 1204 the Fourth Crusade shockingly sacked Christian Constantinople, a betrayal from which the empire never fully recovered.
5. The Fall and the LegacyUnderstand the final Ottoman conquest of 1453 and Byzantium's lasting legacy.After 1261 the empire shrank steadily until Mehmed II's gunpowder cannon breached Constantinople's walls in 1453, ending the Roman Empire. Yet Byzantium's legacy endured: it spread Orthodox Christianity and the Cyrillic alphabet across the Slavic world, and its fleeing scholars carried preserved Greek classics west, helping ignite the Renaissance.

Questions this course answers

Grounded in trusted sources

• Dumbarton Oaks Byzantine Studies
• The British Museum
• Metropolitan Museum of Art
• Encyclopaedia Britannica

Every Wunder lesson is built from real, reputable sources — never invented.

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