Melchite Church; Greeks; Copts; Council of Chalcedon (451); Theology; Patriarchs and patriarchate; Dioscorus, Patriarch of Alexandria, d. 454; Byzantine Empire; Alexandria (Egypt); Liturgies; Basil, the Great, saint, Bishop of Caesarea, ca. 329-...
Roman Catholic Church; Rome; Istanbul (Turkey); Schism, Acacian, 484-519; Alexandria (Egypt); Timothy Aelurus, Patriarch of Alexandria, d. 477; Theology; Politics; Patriarchs and patriarchate; Coptic Church; Copts; Roman Empire; Excommunication