"The Great Western Schism" By Codey Cena Jan 11, 1378 Poper Of Rome Urban VI Jan 11, 1378 Antipope Of Avignon Clement VII Period: Jan 11, 1378 to Jan 11, 1379 R.Urban vII Period: Jan 11, 1378 to Jan 11, 1394 A.Clement VII Jan 11, 1389 Pope Of Rome Boniface IX Period: Jan 11, 1389 to Jan 11, 1404 R,Boniface IX Jan 11, 1394 Antipope Of Avignon Benedict XIII Period: Jan 11, 1394 to Jan 11, 1423 A.Benedict Jan 11, 1404 Pope Of Rome Innocent VII Period: Jan 11, 1404 to Jan 11, 1406 R.Innocent VII Jan 11, 1406 Pope Of Rome Gregory XII Period: Jan 11, 1406 to Jan 11, 1415 R.Gregory XII Jan 11, 1409 Antipope Of Pisa Alexander V Period: Jan 11, 1409 to Jan 11, 1410 P.Alexander V Jan 11, 1410 Antipope Of Pisa John XXIII Jan 12, 1417 Martin VI Pope of Pisa