The Great Schism By ColbySchreiner 1378 Gregory XI Death 1378 Pope of Rome Urban VI 1378 Antipopes of Avignon Clement VII Period: 1378 to 1389 R Urban VI Period: 1378 to 1394 Clement VII 1389 Pope of Rome Boniface IX Period: 1389 to 1404 Boniface IX 1394 Antipopes of Avignon Benedict XIII Period: 1394 to 1423 Benedict XIII 1404 Pope of Rome Innocent VII Period: 1404 to 1406 Innocent VII 1406 Pope of Rome Gregory XII Period: 1406 to 1415 Gregory XII 1409 Antipopes of Pisa Alexander V Period: 1409 to 1410 Alexander V 1410 Antipopes of Pisa John XXIII Period: 1410 to 1415 John XXIII Period: 1414 to 1418 Council of Constance 1417 Pope of Rome Martin V
