History Byzantine Empire Crusades Ecumenical council Baptism of Bulgaria Baptism of Kiev East-West Schism By region Asian - Copts Eastern Orthodox - Georgian - Ukrainian
Traditions Oriental Orthodoxy Coptic Orthodox Church Armenian Apostolic Church Syriac Christianity Eritrean Orthodox Tewahedo Church Ethiopian Orthodox Tewahedo Church Assyrian Church of the East Eastern Orthodox Church Eastern Catholic Churches
Liturgy and Worship Sign of the cross Divine Liturgy Iconography Asceticism Omophorion
Theology Hesychasm - Icon Apophaticism - Filioque clause Miaphysitism - Monophysitism Nestorianism - Theosis - Theoria Phronema - Philokalia Praxis - Theotokos Hypostasis - Ousia Essence-Energies distinction Metousiosis