The church universal this year celebrates the 1,700th anniversary of the Council ... recalcitrant bishops; and (no small thing) the establishment of a precedent for handling ecumenical gatherings ...

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 ...

Editor’s note: The ongoing Synod on Synodality in Rome has raised the question of the role and authority of bishops’ conferences ... required at an ecumenical council. None of the documents ...

During his 12-year pontificate, Francis took important, even historical, ecumenical initiatives ... 2025 Like all popes since the Second Vatican Council, Pope Francis made a point of reaching ...

Ecumenical Patriarch Bartholomew I led a liturgy in Istanbul on Sunday, marking the 1,700th anniversary of Christianity's first ecumenical council. The first Council of Nicaea (located in modern-day ...

On Jan. 25, Pope John XXIII calls for an ecumenical council. Over the next few months, he establishes a preparatory commission to consult bishops to work out the council’s agenda. By motu ...