One significant decision at Nicaea was the date of the celebration of the Feast of the Resurrection, which at that time, and prior to the council was marked at different dates by different church ...

The Council of Nicaea convened during the pontificate of Pope Sylvester I in 325. The Council of Nicaea in 325 as depicted in a fresco in Salone Sistino at the Vatican. (photo: Giovanni Guerra ...

The Vatican on Thursday released a historical document to recognize the opening of the Council of Nicaea, convened during the pontificate of Pope Sylvester I in 325. The International ...