'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
Coptic Church; Liturgies; Sacraments; Bishops; Priests; Deacons; Gregory of Nazianzus, Saint; Constantine I, Emperor of Rome, d. 337; Martyrs; Saints; Mary, Blessed Virgin, Saint; Intercession; Eusebius, of Caesarea, Bishop of Caesarea, ca. 260-...