'Amr ibn al-'As; Arab Conquest of Egypt; Arabs; Asceticism; Alexandria; Cairo (Egypt); Byzantine Empire; Coptic Church; Heraclius, Emperor of the East, ca. 575-641; History; Chalcedonian Church; Melchite Church; Orthodoxy
Apostles; Bible; Bible. N.T.; Bible. O.T.; Asceticism; Coptic Church; Bishops; Alexandria (Egypt); Athanasius, Saint, Patriarch of Alexandria, d. 373.; Anthony, of Egypt, Saint, ca. 250-355 or 6; Basil, the Great, saint, Bishop of Caesarea, ca....
Arianism; Arians; Council of Nicaea (1st: 325); Councils and synods; Canons; Constantine I, Emperor of Rome, d. 337; Christology; Bishops; Orthodoxy; Heresy; Hypostatic union; Council of Constantinople (1st: 381); Council of Chalcedon (451)