ecumenical council
conference of ecclesiastical dignitaries and theological experts convened to discuss and settle matters of Church doctrine and practice
Second Council of Constantinople
Council of the Christian church held from held from 5 May to 2 June 553
First Council of Nicaea
council of Christian bishops in Nicaea, 325
First Council of Ephesus
ecumenical council in Ephesus in June–July 431, convened by Emperor Theodosius II
Catholic ecumenical council
ecumenical council recognized by the Catholic Church
First Council of Constantinople
381 AD council of Christian bishops
Council of Chalcedon
synod
Second Council of Nicaea
ecumenical council of the Eastern Orthodox Church and the Catholic Church (787 AD)
first seven ecumenical councils
In the history of Christianity