As the Roman Empire expanded, it became the target of barbarian attacks. After its collapse, the empire split, and a new empire, Constantinople (modern-day Turkey), rose in the east. Explore the history of Constantinople after the fall of Rome.

On the borders of the Empire -- Rome's decline -- The end of the Empire -- The rise of Constantinople -- Christianity's ascendance -- The Barbarian invasions -- Life under the Barbarians -- Emperor Justinian -- Early Christian theology -- The first monastics -- Chronology -- Glossary -- Major historical figures.