Seven Ecumenical Councils
While the doctrines of the undivided Catholic Church embrace teachings
and practices never enunciated in any council, the documents promulgated
by the fathers of the Seven Ecumenical Councils serve as a nerve-center
for Catholic-Orthodoxy.
Council of Nicea I (AD 325)
Council of Constantinople I (AD 381)
Council of Ephesus (AD 431)
Council of Chalcedon (AD 451)
Council of Constantinople II (AD 553)
Council of Constantinople III (AD 680-681)
Council of Nicea II (AD 787)