Great Scism By mweberstpat Jan 5, 1371 Pope Gregory XI Rome Apr 8, 1378 Urban VI Rome Period: Apr 8, 1378 to Oct 15, 1389 Pope Urban VI Rome Sep 20, 1378 Antipope Clement VII Avignon Period: Sep 20, 1378 to Sep 16, 1394 Antipope Clement VII Avignon Period: Sep 20, 1378 to Sep 16, 1394 Antipope Clement VII Avignon Nov 1, 1389 Pope Boniface IX Rome Period: Nov 2, 1389 to Oct 1, 1404 Pope Boniface IX Rome Sep 28, 1394 Antipope Benedict XIII Avigon Period: Sep 28, 1394 to May 23, 1423 Antipopes of Avignon Benedict XIII Nov 30, 1406 Pope Gregory XII Rome Period: Nov 30, 1406 to Jul 4, 1415 Pope Gregory XII Rome Jun 26, 1409 Antipope Alexander V Pisa Period: Jun 26, 1409 to May 3, 1410 Antipopes of Pisa Alexander V May 18, 1410 Antipope John XXIII Pisa Period: Nov 18, 1410 to Nov 18, 1415 Antipopes of Pisa John XXIII Period: Nov 14, 1417 to Feb 20, 1431 Pope Martin V Rome Nov 21, 1417 Pope Martin V Rome Aug 29, 1484 Pope Innocent VII Rome Period: Aug 29, 1484 to Jul 25, 1492 Pope Innocent VIII Rome
