Easter; Holidays; Tradition; Liturgies; Churches; Calendar; Polycarp, Saint, Bishop of Smyrna; Rome (Italy); Alexandria (Egypt); Society and Church; Council of Nicaea (1st: 325); Cyril, of Alexandria, Saint, ca. 370-444
Crusades; History; Council of Chalcedon (451); Christology; Dioscorus, Patriarch of Alexandria, d. 454; Islam; Jerusalem; Historians; History of the Patriarchs; Patriarchs and patriarchate; Ayyubid dynasty; Fatimid dynasty; Mamluks
Cities and towns; Christian converts; Byzantine Empire; Greek language; Coptic language; Copts; Persecution; Politics; Roman Empire; Arab Conquest of Egypt; Arabic language; Monasteries; Coptic Church; Muslim converts from Christianity;
Alexandria (Egypt); Athanasius, Saint, Patriarch of Alexandria, d. 373.; Popes - Election; Authors; Arianism; Arians; Byzantine Empire; Catechetical School of Alexandria; Constantine I, Emperor of Rome, d. 337; Coptic language; Council of Nicaea...