Once Constantine came to power he abolished the persecutions of Christians in his territories, even offer restitution to some. Constantine would later have dream of Jesus commanding him to place the sign of Christ on the shields of his soldiers, following this dream Constantine converted to Christianity. In February of 313, Constantine established a common religious policy with fellow Emperor Licinius, unfortunately Licinius’ tolerance did not last. During Constantine's decennalia (the tenth anniversary of his acclamation,) he omitted to traditional pagan sacrifices. Following a dispute within the church, Constantine summoned what has become known as the First Ecumenical Council of the church. The council devised a creed which has become known
