Paganism; Constantine I, Emperor of Rome, d. 337; Constantius II, Emperor of Rome, 317-361; Basil, the Great, saint, Bishop of Caesarea, ca. 329- 379; Gregory of Nazianzus, Saint; Pachomius, Saint; History of the Patriarchs; Nubia;
'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