the Cathedral of Holy Wisdom in Constantinople, built by order of the Byzantine emperor Justinian

The Roman Republic became the Roman Empire in 27 BCE when Julius Caesar's adopted son, best known as Augustus, became the ruler of Rome. The Roman Empire, at its height (c. 117), was the most extensive political and social structure in western civilization.

1. the Cathedral of Holy Wisdom in Constantinople, built by order of the Byzantine emperor Justinian


Hagia Sophia
Marcus Aurelius
Roman atrium
Tribonian