What roman leader am i? "i ruled over the powerful eastern empire and chose to move its capital to byzantium. i was the first to establish an attitude of acceptance toward christians by becoming a christian myself."

Constantine I, byname Constantine the Great, Latin in full Flavius Valerius Constantinus (born February 27, after 280 ce?, Naissus, Moesia [now Niš, Serbia]—died May 22, 337, Ancyrona, near Nicomedia, Bithynia [now İzmit, Turkey]) the first Roman emperor to profess Christianity. In 293 ce his father was raised to the rank of Caesar, or deputy emperor (as Constantius I Chlorus), and was sent to serve under Augustus (emperor) Maximian in the West. In 289 Constantius had separated from Helena in order to marry a stepdaughter of Maximian, and Constantine was brought up in the Eastern Empire at the court of the senior emperor Diocletian at Nicomedia (modern İzmit, Turkey). 
Emerging from it in the course of the 4th century were two developments that contributed fundamentally to the nature of Byzantine and Western medieval culture: the growth of a specifically Christian, biblical culture that took its place beside the traditional Classical culture of the upper classes;

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