“It was in Nicaea that the Church’s unity and mission were first expressed emblematically at a universal level (and from here, it draws its designation as an ecumenical council) through the ...

The Council of Nicaea and its 17-century legacy are, in that sense, also beacons of hope for the future. The first step toward greater union between Christians is to acknowledge that unity does ...

(Credit: Wikimedia.) Listen As the Catholic Church celebrates the 2025 Jubilee, it also marks the 1700th Anniversary of the Ecumenical Council of Nicaea. The first Ecumenical Council took place in ...

The first Council of Constantinople would produce what would come to be known as the Nicene-Constantinopolitan Creed, and was a revision of the original creed from the Council of Nicaea.

The existing canons of the Council of Nicaea show that no Biblical canon was determined. While at least one Church Father, St. Jerome, noted that one book was determined to be Scripture at the ...

The First Council of Nicaea, held in 325, decided that Easter would be celebrated on the first Sunday after the full moon following the beginning of spring, making the earliest possible date March ...