Lesson 6: The Byzantine Empire Rises

The Byzantine Empire thrived because its capital, Constantinople, had a superior location. First, its position on a peninsula, protected by water and thick walls, made it difficult to conquer. Second, it controlled key trade routes connecting Europe and Asia, which brought immense wealth and power to the empire. This strategic advantage allowed the eastern part of the Roman Empire to survive for nearly a thousand years after the western part had already collapsed.

Emperor Justinian dreamed of restoring the old Roman Empire. Therefore, his armies reconquered vast territories around the Mediterranean, including Italy and North Africa. However, these wars were expensive and the lands were lost after his death. His most lasting legacy was not conquest, but his rebuilding of the magnificent Hagia Sophia church and the creation of a comprehensive law code that influenced European law for centuries. His reign shows both great ambition and its ultimate costs.

For centuries, Constantinople resisted attacks because of its brilliant and layered defenses. This system included:

• On land: Two rings of thick walls and a water-filled trench, or moat, to stop armies.
• At sea: A massive chain blocked the city's main harbor, and a secret weapon called Greek fire could burn enemy ships even on water.

These innovations allowed the empire to outlast many of its enemies for almost a thousand years.

The Byzantine Empire fell due to a long, slow decline. First, it was weakened by centuries of warfare against numerous enemies. Then, in 1204, Christian crusaders from Western Europe attacked and looted the city, a blow from which it never fully recovered. Finally, in 1453, the Ottoman Turks used powerful new cannons to break through the ancient walls, conquering the city and ending the Byzantine Empire forever. This shows how new technology can overcome old defenses.

The Byzantine Empire spread its culture and religion far beyond its political borders. One key method was through missionaries, who worked to convert neighboring peoples, like the Slavs, to Eastern Orthodox Christianity. For example, the missionaries Cyril and Methodius created the Cyrillic alphabet for the Slavic peoples, allowing them to write in their own language. This cultural and religious influence continued long after the empire itself fell, connecting to the rise of Russia.

Early Russia was deeply shaped by its Byzantine neighbors. The Kievan Rus, a state formed by Vikings and Slavs, grew rich by trading with Constantinople. As a result, they adopted Eastern Orthodox Christianity and Byzantine architecture. Ultimately, after Constantinople's fall, Russian rulers saw their empire as the "Third Rome," carrying on the legacy of both the Roman and Byzantine Empires by taking the title "tsar," the Russian version of Caesar.