Events relating to constantine

Constantine's father, recently appoinnted Augustus in the west, dies at York and the young man is proclaimed Augustus in his place by the legions in Britain

Constantine, preparing for battle against a rival at the Milvian Bridge, orders his men to wear a Christian symbol, the Chi-Rho, on their shields
After winning the battle at Milvian Bridge, Constantine marches into Rome and is formally acknowledged by the Senate as Augustus of the west

Constantine meets his co-emperor Licinius in Milan, and persuades him to follow a policy of encouraging the Christians
Warming to his new Christian role, Constantine summons more than 300 bishops to Arles to discuss the controversial issue of Donatus
Constantine founds several churches in Rome, among them the first St Peter's
Constantine's new churches in Rome introduce an important element in church architecture, the transept
Constantine executes Licinius in Thessalonica on a charge of attempted rebellion, a year after defeating him in battle
Constantine convenes a council of 200 bishops at Nicaea to discuss the beliefs of Arius, which are deemed to be heresy
Helena, mother of the emperor Constantine, discovers in Jerusalem the cross on which Christ died - or so it is later claimed

Constantine's new Christian city on the site of Byzantium is inaugurated, as Constantinople

Constantine is at last baptized a Christian in Nicomedia, just a few days before his death
The first church of Santa Sophia in Constantinople, begun by Constantine himself, is completed
Theodosius becomes the Roman emperor and revives Constantine's close link between church and state
The Christian emperor Constantine XI dies in the fighting in Constantinople, as the Greek Byzantine empire yields to that of the Ottoman Turks
Constantine Cavafy begins a 30-year career as a civil servant in Alexandria's Irrigation Service
Constantine Cavafy prints fourteen of his poems in a pamphlet for private distribution
Constantine Cavafy prints a few more of his poems to add to the fourteen privately printed in 1904
A collection of Constantine Cavafy's poems is published in Alexandria in an undated edition