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*The ''Western Schism'' (1378-1417) was an argument within the Roman Catholic Church resulting in French cardinals electing an "antipope" (Clement VII) in order to dispute the authority of the recently elected Pope Urban VI.  This and other controversies set the stage for the Protestant Reformation.

*The ''Western Schism'' (1378-1417) was an argument within the Roman Catholic Church resulting in French cardinals electing an "antipope" (Clement VII) in order to dispute the authority of the recently elected Pope Urban VI.  This and other controversies set the stage for the Protestant Reformation.