Council of Constantinople

Council of Constantinople can refer to the following church councils (also known as synods) convened in Constantinople (modern day Istanbul, Turkey):

View of the Hagia Sophia as it would have appeared in Byzantine Constantinople

Councils prior to the East–West Schism of 1054

• Council of Constantinople (360), a local council
• First Council of Constantinople (381), the Second Ecumenical Council
• Council of Constantinople (382), a council convened by Theodosius I.
• Council of Constantinople (383), a local council, rejected teachings of Eunomius
• Council of Constantinople (394), a local council, produced several canons
• Council of Constantinople (518), affirmed the Council of Chalcedon (451)
• Council of Constantinople (536), deposed Anthimus I of Constantinople, condemned opponents of the Council of Chalcedon
• Synod of Constantinople (543), a local council which condemned Origen of Alexandria
• Second Council of Constantinople (553), the Fifth Ecumenical Council
• Third Council of Constantinople (680), the Sixth Ecumenical Council
• Council of Constantinople (692), also called the Quinisext Council or Council in Trullo
• Council of Constantinople (754), better known as the Council of Hieria
• Council of Constantinople (815), a local council that restored iconoclasm
• Council of Constantinople (843), a local council that restored the veneration of icons (the 'Triumph of Orthodoxy')
• Council of Constantinople (861), a local council that confirmed the deposition of Ignatios of Constantinople and election of Photios I of Constantinople

Councils of differing interpretation between the Roman Catholic and Eastern Orthodox churches

• Council of Constantinople (867), a local council convened by Photius to discuss Papal supremacy and the Filioque
• Fourth Council of Constantinople (Catholic Church) (869), considered the Eighth Ecumenical Council by the Catholic Church, deposed Photios I
• Fourth Council of Constantinople (Eastern Orthodox) (879), considered the Eighth Ecumenical Council by some Eastern Orthodox, also called the Photian Council as it reinstated Photios I

Councils after the schism (only attended by Eastern Orthodox bishops)

• Council of Constantinople (1082), a local council convened to condemn John Italus
• Council of Constantinople (1094), also known as the Council of Blachernae (1094), a local council convened to condemn Leo of Chalcedon
• Council of Constantinople (1285), also known as the Council of Blachernae (1285), a local council that rejected the Roman Catholic Second Council of Lyon
• Fifth Council of Constantinople (1341–1351), considered the Ninth Ecumenical Council by some Orthodox, resolved the Hesychast controversy
• Synod of Constantinople (1484), condemned the Roman Catholic Council of Florence
• Council of Constantinople (1583), decided not to accept the Gregorian calendar
• Council of Constantinople (1593), approved the creation of the Moscow Patriarchate
• Synod of Constantinople (1638), condemned Cyril Lucaris' Confession
• Council of Constantinople (1722), condemned all forms of Catholicisation
• Council of Constantinople (1756), affirmed the necessity of rebaptism for Roman Catholics converting to Orthodox Christianity
• Council of Constantinople (1848), issued the Encyclical of the Eastern Patriarchs, a reply to Pope Pius IX's In Suprema Petri Apostoli Sede epistle (also titled the Epistle to the Easterners)
• Council of Constantinople (1872), condemned phyletism as a non-Orthodox schismatic movement
• Council of Constantinople (1923), a major council, (although not ecumenical,) introduced several reforms, most controversially the revised Julian calendar reform