Great Western Schism By Sports1 1377 Death of Pope Gregory XI Elected 1378 Pope of Rome Urban VI Elected 1378 Antipopes of Avignon Clemet VII elected Period: 1378 to 1389 R. Urban VI Period: 1378 to 1394 A. Clemet VII 1389 Pope of Rome Boniface IX Elected Period: 1389 to 1404 R. Boniface IX 1394 Antipopes of Avignon Benedict XIII elected Period: 1394 to 1423 A Benedict XIII 1404 Pope of Rome Innocent VII Elected 1406 Pope of Rome Gregory XII elected Period: 1406 to 1415 R. Innocent VII Period: 1406 to 1415 R. gregory XII 1409 Antipopes of pisa Alexander v elected Period: 1409 to 1415 P. Alexander V 1410 Antipopes of Pisa John XXIII elected Period: 1410 to 1415 P. John XXIII Period: 1414 to 1418 Council of Constance 1417 Pope Martin V elected
