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
Eusebius, of Caesarea, Bishop of Caesarea, ca. 260- ca. 340; Historia ecclesiastica; Historians; Biographies; Literature; Sozomen, ca. 400-ca. 450; Athanasius, Saint, Patriarch of Alexandria, d. 373.; Jerome, Saint, d. 419 or 20; Scholars;...