381 AD – Under the Council of Constantinople it is announced that Jesus is equal to God in the Holy Trinity, not created
392 AD – Christianity becomes the official religion of the Roman Empire.
1054 – Disputes about the Pope’s role and authority caused a split in Christianity between the Roman Catholic Church and the Eastern Orthodox Churches. The split still exists today.
1517 – Martin Luther, a German monk, started a movement called the Reformation when he criticized certain church practices as well as the supremacy of the pope. This divided Western Christianity into the Roman Catholic Church and Protestantism.
Data collected from CNN https://www.cnn.com/2013/11/12/world/christianity-fast-facts/index.html
