Great SchismGreat Schism
- the division or conflict in the Roman Catholic Church from 1378 to 1417, when there were rival popes at Avignon and Romealso called Schism of the West
- the separation of the Eastern Church from the Western Church, traditionally dated 1054also called Schism of the East
- The formal split (1054) between the Eastern Orthodox and Roman Catholic churches.
- The dispute (1378–1417) within the Catholic church over papal succession.