Constantine the Great

Gaius Flavius Valerius Aurelius Constantinus (Latin: IMP CÆSAR FLAVIVS CONSTANTINVS PIVS FELIX INVICTVS AVGVSTVS) (February 27, 272–May 22, 337), commonly known as Constantine I, Constantine the Great, or (among Orthodox Christians) Saint Constantine, was proclaimed Augustus by his troops on July 25, 306 and ruled an ever-growing portion of the Roman Empire until his death. Constantine is famed for his refounding of Byzantium (modern Istanbul) as "Nova Roma" (New Rome) or Constantinople (Constantine's City).

Constantine is best remembered in modern times for the Edict of Milan in 313 and the Council of Nicaea in 325, which fully legalized Christianity in the Empire for the first time.

These actions are considered major factors in that religion's spread, and his reputation as the "first Christian Emperor" has been promulgated by historians from Lactantius and Eusebius of Caesarea to the present day, though he himself was baptized only on his death bed.

Constantine was born at Naissus in Upper Moesia (today's Niš, Serbia) on 27 February 272 or 273, to Greek general, Constantius I Chlorus, and his first wife Helena, an innkeeper's daughter who at the time was only sixteen years old. Theodora would give birth to six half-siblings of Constantine, including Julius Constantius.

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