Lesson 8: The Byzantine Empire

Justinian’s legacy is immortalized in stone through the construction of the Hagia Sophia, or "Holy Wisdom." This architectural masterpiece was designed to reflect the glory of God and the power of the empire. Engineers utilized advanced techniques, such as pendentives, to place a massive, floating dome over a square base—a feat previously thought impossible.

The interior was decorated with breathtaking mosaics and colored marble, creating a space filled with light and color. The Hagia Sophia served as the spiritual center of the Eastern Orthodox Church for centuries. It stood as a symbol of the empire's wealth and the close connection between the Byzantine state and the Christian faith.

Key Idea

Many Christians in the Byzantine Empire prayed using icons, which were holy images of religious figures. They believed these sacred paintings and mosaics helped them feel closer to God.

However, a powerful group known as iconoclasts, or "image-breakers," argued that this was a form of idol worship. Several emperors agreed and ordered the destruction of icons across the empire, creating a bitter and violent conflict.

Key Idea

A major disagreement grew over who should lead the Christian church. In the Byzantine Empire, church leaders known as patriarchs shared power. But in Rome, the bishop began calling himself the Pope and claimed he had authority over all Christians.

The Pope argued he was the heir to Saint Peter, one of Jesus's original apostles. He believed this gave him supreme authority over the entire church. The Byzantine emperor and the Eastern patriarchs strongly rejected this claim.

Key Idea

For centuries, the Christian Church was mostly united. But over time, Christians in Western Europe and the Byzantine Empire began to disagree on leadership and religious practices. The church in the West looked to the Pope in Rome, while the church in the East was guided by its own leaders.

These disagreements led to a final break in 1054, an event known as the Great Schism. This split officially divided Christianity into two main branches.