Ortodoxe: Istoria Biserici

was established during this time, defining the nature of the Holy Trinity.

The Orthodox Church in the Byzantine Empire by J.M. Hussey — Excellent for understanding the medieval development of the Church. Istoria Biserici Ortodoxe

Moscow as the "Third Rome" and the expansion of the Russian Church. was established during this time, defining the nature

The 19th and 20th centuries saw the Ottoman Empire crumble and the rise of modern nation-states in the Balkans. This led to the establishment of self-governing () national churches, such as the Romanian Orthodox Church, the Church of Greece, and the Serbian Orthodox Church. The Communist Crucible was established during this time