February 27, 280 A.D.: Birth of Constantine the Great
Constantine the Great was the Roman Emperor who ended the Diocletianic Persecution of Christians. His reign lasted from 306-337 A.D. after his father, Constantuis Chlorus. Originally pagan in his religion, Constantine was converted to Christianity and became the first emperor to profess Christianity as his religion. He is a very important figure in Christian history, he had great influence upon the organization of the Christian churches during that time. The Church of the Holy Sepulcher in Jerusalem was built by his orders.
Constantine was the 57th emperor of Rome, and died in May of 337 at the age of 65.