Constantine, also known as Constantine the Great, was a Roman Emperor from 306 to 337 AD who played a crucial role in the rise of Christianity within the Roman Empire. He is best known for being the first emperor to convert to Christianity and for establishing the Edict of Milan in 313 AD, which granted religious tolerance throughout the empire and allowed Christians to practice their faith openly. His reign marked a significant turning point in the history of Christianity, transforming it from a persecuted sect into a favored religion of the empire.
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