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

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.

Istanbul marked the 1,700th anniversary of the First Council of Nicaea, the groundbreaking gathering convened in 325 by ...

was actually issued by the Council of Chalcedon 126 years later in 451 CE. So, the Council of Nicaea taught that there was never a time when He was not. Jesus Christ is fully divine, therefore eternal ...

Recognizing the essential tenets of faith that Catholics and Orthodox share should be the lens through which they discuss the issues that continue to separate them, Pope Leo XIV said.

After Constantinople, site of the Council of 381, we crossed into Asia and visited Chalcedon, where the Fourth General Council was convened in 451. Nicaea (Iznik) is some three hours from Istanbul.

This month, 1,700 years ago, was one of the most significant and consequential events in all of Church history.

"Following this apostolic tradition, the Church confessed at the first ecumenical council at Nicaea (325 ... in 451 at the Council of Chalcedon, came to recognize and receive the Symbol of ...