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;
Coptic Church; Bishops; Priests; Deacons; Council of Chalcedon (451); Canons; Fasting; Prayers; Patriarchs and patriarchate; Churches; Coptic language - Bohairic dialect; Arabic language