a period of division in the Roman Catholic Church, 1378–1417, over papal succession, during which there were two, or sometimes three, claimants to the papal office.
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the breach between the Eastern and Western churches, usually dated from 1054
the division within the Roman Catholic Church from 1378 to 1429, during which rival popes reigned at Rome and Avignon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012