First Council of Constantinople

The First Council of Constantinople was a large meeting of Christian priests. It happened in the year 381. Emperor Theodosius I called the meeting in Constantinople.

At the meeting, the church adopted the Nicene Creed. The Nicene Creed is not the same as the Creed of Nicaea.

At the meeting, the church also decided on the Trinitarian Doctrine, which is about the relationship between God, Jesus and the Holy Spirit.

First Council Of Constantinople Media

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  Manuscript BnF Grec 510 (Homilies of St. Gregory of Nazianzus), folio 355 recto. Miniature of the First Council of Constantinople (AD 381). The emperor Theodosius I and a crowd of bishops seated on a semicircular bench, on either side of an enthroned Gospel Book. An heretic, Macedonius, occupies the lower left corner of the miniature.

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  Gregory of Nazianzus presided over part of the Council.