Great Western Schism By aliens28 Mar 27, 1377 Pope of Rome: Gregory XI Dies Period: Jan 11, 1378 to Jan 11, 1389 R: Urban VI Period: Jan 11, 1378 to Jan 11, 1394 A: Clement VII Period: Jan 12, 1378 to Jan 12, 1417 Great Western Schism Apr 8, 1378 Pope of Rome: Urban VI Sep 20, 1378 Antipopes of Avignon: Clement VII Period: Jan 11, 1389 to Jan 11, 1404 R: Boniface IX Nov 2, 1389 Pope of Rome: Boniface IX Period: Jan 12, 1394 to Jan 12, 1423 A: Benedict XIII Oct 11, 1394 Antipopes of Avignon: Benedict XIII Period: Jan 11, 1404 to Jan 11, 1406 R: Innocent VII Aug 29, 1404 Pope of Rome: Innocent VII Period: Jan 11, 1406 to Jan 11, 1415 R: Gregory XII Nov 30, 1406 Pope of Rome: Gregory XII Period: Jan 12, 1409 to Jan 12, 1410 P: Alexander V Jun 26, 1409 Antipopes of Pisa: Alexander V Jan 12, 1410 Antipopes of Pisa: John XXIII Period: Jan 12, 1410 to Jan 12, 1415 P: John XXIII Period: Jan 14, 1414 to Jan 14, 1418 council of constance Nov 11, 1417 Martin V: Elected Schism Ends!
