By Tyler Arnold Washington, D.C. Newsroom, Nov 28, 2025 / 10:00 am 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 from the Arian heresy, and promote unity in …

By Victoria Cardiel Vatican City, Feb 15, 2025 / 07:00 am The First Ecumenical Council, the meeting of Christian bishops that was held in 325 in Nicaea (today İznik, Turkey), laid the groundwork for reaching consensus within the Church through an assembly representing all of Christendom. This event marked a key …

by AC Wimmer CNA Newsroom, Nov 18, 2022 / 07:30 am In a move that could lead to Catholics and Orthodox celebrating the Resurrection of Jesus Christ at the same time, the spiritual leader of the world’s Eastern Orthodox Christians has confirmed his support for finding a common date to …