Constantine the Great

Reign306-337
TitleEmperor
House or dynastyConstantinian
RealmRome and Byzantium

Life and reign

First Christian Roman emperor, who credited a vision before his victory at the Milvian Bridge in 312 for his win and took control of Rome. He legalized Christianity, summoned the council of Nicaea in 325, and dedicated Constantinople in 330, the new Rome that would outlive the old by a thousand years.

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