1 Jan 381 Jahr - First Council of Constantinople

Beschreibung:

the Nicene Creed would be expanded, known as Niceno-Constantinopolitan Creed, by saying that the Holy Spirit is worshiped and glorified together with the Father and the Son (συμπροσκυνούμενον καὶ συνδοξαζόμενον), suggesting that he was also consubstantial with them:

https://en.wikipedia.org/wiki/First_Council_of_Constantinople