Historical Development
Early Church History
Apostolic Age (Early Church)
Legalization and Growth
Formation of Doctrine
Schisms and Division
Assyrian Church of the East
Oriental Orthodox
The Great Schism of 1054
The Reformation
Orthodoxy in Later Eras
Under Ottoman Rule (1453 – 1918)
Under Communism (1917 – 1991)
Global Expansion (1800s – Present)
Orthodoxy in America