Council of Nicaea (1st: 325); Councils and synods; Canons; Roman Empire; Theology; Christology; Christianity; Arius; Arians; Arianism; Origen; Orthodoxy; Heresy; Jesus Christ; Hypostatic union; Holy Roman Empire; Constantine I, Emperor of Rome, d....
Origen; History; Historians; Historia monachorum in Aegypto; Scholars; Catechetical School of Alexandria; Gnosticism; Gnostic literature; Christianity; Copts; Egypt; Athanasius, Saint, Patriarch of Alexandria, d. 373.; Alexandria (Egypt); Martyrs;...