Fourth Council of Constantinople

Fourth Council of Constantinople (also Eighth Ecumenical Council) may refer to: Fourth Council of Constantinople (Catholic Church) that took place in 869–870 Fourth Council of Constantinople (Eastern Orthodox) that took place in 879–880

bg:Четвърти Константинополски събор it:Concilio di Costantinopoli VI la:Concilium Constantinopolitanum Quartum pl:Sobór Konstantynopolitański IV ru:Четвёртый Константинопольский собор