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....
Alexandria (Egypt); Authors; Clement, of Alexandria, Saint, ca. 150-ca. 215; Gnosticism; Literature; Neoplatonism; Philo, of Alexandria; Philosophers; Philosophy; Platonism; Origen