The Roman Emperor Constantine legalized the Christian faith in 313 through the Edict of Milan. This meant that Christians were no longer subject to persecution in the Roman Empire; ... He chose Nicaea ...

This raucous meeting, which took place exactly 1700 years ago, was one of the most important in Christian history.

The Nicene confession of faith is recognized today as an ecumenical trait d’union that no later schism or heresy has been ...

In the summer of A.D. 325, more than 300 bishops gathered in Nicaea — located in modern-day northern Turkey — to promulgate a common Christian creed, settle Christological disputes that arose ...

Pope Leo XIV greets Orthodox Metropolitan Emmanuel of Chalcedon, a bishop of the Orthodox Ecumenical Patriarchate, during a meeting in the Apostolic Palace at the Vatican June 7, 2025, with ...

The Council of Nicaea in 325 as depicted in a fresco in Salone Sistino at the Vatican. (photo: Giovanni Guerra (1544-1618), Cesare Nebbia (1534-1614) / Public domain/Wikimedia Commons) Msgr. Roger ...

İZNIK, Turkey (RNS) — For Christian leaders across the world and across denominations, the anniversary of the first Council of Nicaea is providing an opportunity for introspection and ...

So, the Council of Nicaea taught that there was never a time when He was not. Jesus Christ is fully divine, therefore eternal. The Council of Chalcedon, relying upon theologians following Athanasius ...

Pope Leo XIV greets participants attending a conference on the ecumenical implications of the 1,700th anniversary of the Council of Nicaea June 7, 2025, in the Clementine Hall of the Apostolic ...