Research topic: First Council of Constantinople

First Council of Constantinople 381, second ecumenical council. It was convened by Theodosius I, then emperor of the East and a recent convert, to confirm the victory over Arianism. The council drew up a dogmatic statement on the Trinity and defined Holy Spirit as having the same divinity expressed for the Son by the Council of Nicaea 56 years earlier. That statement has been lost, but the work of the council established the orthodox teaching of the Trinity as it is held today. The traditional belief ascribing the present form of the Nicene Creed (see creed ) to this council has been questioned... Read more