Great Schism By hbeltstpats Apr 8, 1378 Pope Urban VI of Rome Period: Apr 8, 1378 to Oct 15, 1379 Pope Urban VI of Rome Sep 20, 1378 Clement VII (Avignon) Becomes Antipope Period: Sep 20, 1378 to Sep 16, 1394 Antipope Clement VII (Avignon) Oct 15, 1389 Pope Urban VI (Rome) dies Nov 2, 1389 Pope Boniface IX (Rome) is elected as pope Period: Nov 2, 1389 to Oct 1, 1404 Boniface IX Sep 16, 1394 Antipope Clement VII (Avignon) dies Sep 28, 1394 Benedict XIII (avignon) becomes Pope Period: Sep 28, 1394 to May 23, 1423 Antipope Bendedict XIII Oct 1, 1404 Boniface IX (Rome) dies Oct 17, 1404 Innocent VII (Rome) becomes Pope Period: Oct 17, 1404 to Nov 6, 1406 Innocent VII (Rome) Nov 6, 1406 Innocent VII (Rome) dies Nov 30, 1406 Gregory XII (Rome) is elected Period: Nov 30, 1406 to Jul 1, 1415 Gregory XII (Rome) Jun 26, 1409 Alexander V becomes Antipope Period: Jun 29, 1409 to May 3, 1410 Antipope Alexander V May 3, 1410 Antipope Alexander V (Pisa) dies Period: May 17, 1410 to May 29, 1415 Antipope John XXIII (Pisa) May 29, 1410 John XXIII (Pisa) becomes Antipope Period: Nov 5, 1414 to Apr 22, 1418 The Council of Constance May 3, 1415 Antipope John XXIII (Pisa) resgins Jul 1, 1415 Gregory XII (Rome) resigns Nov 14, 1417 Martain V becomes Pope May 23, 1423 Antipope Benedict XIII (Avignon) dies
