The Ecumenical Councils Nicea I (A.D. 325) Constantinople I (A.D. 381) Ephesus (A.D. 431) Chalcedon (A.D. 451) Constantinople II (A.D. 553) Constantinople III (A.D. 680-681) Nicea II (A.D. 787) Constantinople IV (A.D. 869-870) Lateran I (1123) Lateran II (1139) Lateran III (1179) Lateran IV (1215) Lyons I (1245) Lyons II (1274) Vienne (1311-1312) Constance (1414-1418) Florence (1439-1445) Lateran V (1512-1517) Trent (1545-1563) Vatican I (1869-1870) Vatican II (1962-1965) Share this:TwitterFacebookLike this:Like Loading...