To celebrate the 1,700th anniversary of the Council of Nicaea is, first and foremost, to celebrate Jesus Christ, the eternal ...

The 381 Council of Constantinople solidified Trinitarian doctrine, affirmed the Holy Spirit’s divinity, and reshaped the Nicene Creed, marking a turning point in early Christian theology.

Many sacred beliefs of our Catholic faith can be traced to the 21 ecumenical councils held since the fourth century.

The city is best known as the site of two ecumenical councils of Christianity: the First Council of Nicaea convened there by Emperor Constantine I in 325 and the Second Council of Nicaea ...

In this second commentary on the Council of Nicaea, I would like to revisit the pivotal role played by the man who convened it: the Roman Emperor Constantine the Great. It is indeed paradoxical that a ...

This is the first part of a three-part series of articles marking the 1700th anniversary of the Council of Nicaea. Please also read the second and third parts. *The views expressed in this article are ...

"Following this apostolic tradition, the Church confessed at the first ecumenical council at Nicaea ... The second ecumenical council, held at Constantinople in 381, kept this expression in ...

Nicaea only came back into full vogue with the later emperor Theodosius, whose Council of Constantinople in 381 restored its principles. Technically, the creed that Christians have recited ever since ...

The crowd in St. Peter’s Square erupted in cheers Thursday when white smoke poured out of the Sistine Chapel shortly after 6 p.m. on the second ... of the First Council of Nicaea, a landmark ...