Councils of the Church

Ecumenical Councils

Decrees of the Ecumenical Councils

Ancient Church

Council of Nicea (AD 325)

First Council of Constantinople (AD 381)

Council of Ephesus (AD 431)

Council of Chalcedon (451)

Second Council of Constantinople (AD 553)

Third Council of Constantinople (AD 680-681)

Second Council of Nicaea (AD 787)

Fourth Council of Constantinople (AD 869)

Medieval Church

First Lateran Council (AD 1123)

Second Lateran Council (AD 1139)

Third Lateran Council (AD 1179)

Fourth Lateran Council (AD 1215)

First Council of Lyons (AD 1245)

Second Council of Lyons (AD 1274)

Council of Vienne (AD 1311-12)

Council of Constance (AD 1414-1418)

Council of Basle (AD 1431)

Fifth Lateran Council (AD 1512 to 1517)

Modern Church

Council of Trent (AD 1545-1563)