Historians regard the mutual excommunications of 1054 as the terminal event.

Later events included seemingly mutual excommunication by both sides.

At the same time, they lifted the mutual excommunications dating from the 11th century.

Since the mutual excommunications of 1054, the Pope in Rome was committed to imposing dominion over the eastern church.

The full schism was not actually consummated by the seemingly mutual excommunications.

However, these events only triggered the beginning of the schism but the schism was not actually consummated by the seemingly mutual excommunications.

In addition, the lifting of mutual excommunications, by eliminating a painful canonical and psychological obstacle, was a very significant step on the way toward full communion.

It arose over a dispute on whether Constantinople or Rome held jurisdiction over the church in Sicily and led to mutual excommunications in 1054.

More recently, in 1965 the mutual excommunications were rescinded by the Pope and the Patriarch of Constantinople, though schism remains.

The mutual excommunications between the orientals and the Antiochans shall be withdrawn.