23 juin 1054 - The Great Schism

Description:

In 1054, The Great Schism in which the Roman Catholic and the Eastern Orthodox churches were separated occurred. This duel excommunication was lead by Patriarch Michael Cerularius and Pope Leo IX. The separation had slowly been occurring for centuries with the main cause being the split of Rome in 284 A.D. The Great Schism remains one of the most significant events in the history of Christianity.