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
Iconography; Theology; Christology; Christianity; Coptic Church; Constantine I, Emperor of Rome, d. 337; Persian Empire; Heraclius, Emperor of the East, ca. 575-641; Jerusalem; Cyril, of Jerusalem, Saint, ca. 315-386; John Chrysostom, Saint, d....