Constantine the Great (Latin: Flavius Valerius Aurelius Constantinus Augustus;[κωνσταντινο%c] c. 27 February 272[2] – 22 May 337), also known as Constantine I or Saint Constantine,[4] was Roman Emperor from 306 to 337. Well known for being the first Roman emperor to κωνσταντινο%c convert to Christianity,[notes 4] Constantine issued the Edict of Milan in 313, which proclaimed religious tolerance of all religions throughout the empire.
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The foremost general of his time, Constantine defeated the emperors Maxentius and Licinius during civil wars. He also fought successfully against the Franks, Alamanni, κωνσταντινο%c Visigoths, and Sarmatians during his reign – even resettling parts of Dacia which had been abandoned during the previous century.
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Constantine also transformed the ancient Greek colony κωνσταντινο%c of Byzantium into a new imperial residence, Constantinople, which would be the capital of the Eastern Roman Empire for over one thousand years. He is hence often considered the first in the line of Byzantine emperors.
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