First Council of Constantinople

Reaffirmed the faith of Nicaea and is credited with the Niceno-Constantinopolitan Creed, which expands the article on the Holy Spirit: “the Lord, the giver of life, who proceeds from the Father, who with the Father and the Son is worshipped and glorified.” It condemned the Pneumatomachi (Macedonians), Apollinarians, Eunomians and other groups. Canon 3 gave the bishop of Constantinople the first place of honor after the bishop of Rome, “because it is New Rome.” About 150 bishops.

Convoked by

Emperor Theodosius I

Canons

4

Catholic Church, Eastern Orthodox Church, Oriental Orthodox Churches and the Church of the East; many Protestant churches accept its creed. Only Eastern bishops attended; its ecumenical standing was recognized later, especially at Chalcedon (451).