Patriarchs and patriarchate; Catechetical School of Alexandria; Persecution; Diocletian, Emperor of Rome, 245-313; Martyrs; Society and Church; Paganism; Conversion - Christianity
Origen; Patriarchs and patriarchate; Heresy; John Chrysostom, Saint, d. 407; Athanasius, Saint, Patriarch of Alexandria, d. 373.; Basil, the Great, saint, Bishop of Caesarea, ca. 329- 379; Gregory of Nazianzus, Saint; Didymus, the Blind, ca....