Arianism; Arians; Council of Nicaea (1st: 325); Councils and synods; Canons; Constantine I, Emperor of Rome, d. 337; Christology; Bishops; Orthodoxy; Heresy; Hypostatic union; Council of Constantinople (1st: 381); Council of Chalcedon (451)
Nicene Creed; Athanasius, Saint, Patriarch of Alexandria, d. 373.; Basil, the Great, saint, Bishop of Caesarea, ca. 329- 379; Emperors--Byzantine Empire; Heresy