-
312
Constantine's conversion
Constantine converted to Christianity due to his belief that God assisted his army in winning his battle for the throne. -
313
The edict of Milan
Emperor Constantine and Emperor Lucinius issued a policy known as the edict of Milan that guaranteed complete freedom of religion to all in the empire, including Christians. -
321
Sunday becomes the Roman day of rest
Constantine made Sunday the official Roman day of rest, so that all Christians in Rome could find the time to attend church and lead a Christian life. -
325
The Council of Nicaea develop the Nicene Creed
The Council of Nicaea affirmed in the Nicene Creed that God the Father and God the Son were coeternal and consubstantial, eliminating the Arian belief that God the Son was inferior to God the Father.
Although the Nicene Creed did not mention the Trinity, it lead to future Christians believing in the Trinity. -
432
Patrick becomes a missionary in Ireland
Patricks wnet to Ireland as a missionary when he was a teenager, and leads many Irish people to the Christian faith. -
451
Jesus is confirmed as God
The council of Chalcedon confirms ortherdox teaching that Jesus was truly God and truly man and existed in one person. -
Jan 1, 716
Boniface's Missionary
Boniface, the "Apostle of Germany", sets out as a missionary to bring the gospel to pagan lands. -
Sep 3, 1378
The Great Schism
The Great Schism was a time of Division in the Roman Catholic Church due to disagreements concerning the Pope. -
Jan 1, 1450
The Guntenberg Bible
The first ever printed Bible. -
St. Gregory was elected Pope
St. Gregory becomes Pope Gregory I, and did some doctrinal work. He taught Christians about their faith, particularly regarding Pergatory, and he contrived private penance as a parallel to public penance.