The Great Schism By fluffyunicorns123 Period: Dec 8, 1054 to Dec 8, 1377 The Great Schism Period: Dec 8, 1054 to Dec 30, 1377 Included Western and Eastern Byzantine Dec 8, 1055 The people of the church couldnt decide whether or not Ecumenical Patriarch should be controled under the pope Dec 8, 1377 Resolved by the death of th Pope and registration of another pope Martin V