when were the decrees of the council of trent reviewed and changed
Council of Trent These decrees were later supplemented by the First Vatican Council of 1870.
First Council of Nicaea The First Council of Nicaea (/naɪˈsiːə/; Greek: Νίκαια [ˈni:kaɪja]) was a council of Christian bishops convened in the Bithynian city of Nicaea (now İznik, Bursa province, Turkey) by the Roman Emperor Constantine I in AD 325. Constantine I organized the Council along the lines of the Roman Senate and presided over it, but did not cast any official vote.