Which Roman Emperor legalized Christianity?
- A. Caligula
- B. Constantine
- C. Augustus
- D. Nero
Show answer
Correct: B. Constantine
Constantine the Great was the Roman Emperor who legalized Christianity through the Edict of Milan in 313 AD. He was the first Roman emperor to convert to Christianity, a decision that fundamentally changed the course of European and world history. Constantine also founded the city of Constantinople, which became the new capital of the Roman Empire and a center of Christian civilization.