Great Western Schism By WoodSavage305 1377 Deathof Pope Gregory XI 1378 Pope of Rome Urban the 6th VI Period: 1378 to 1389 R. Urban VI Period: 1378 to 1394 Clement Period: 1389 to 1404 Boniface Period: 1394 to 1423 Benedict XIII Period: 1406 to 1415 Innocent VII Period: 1406 to 1415 Gregory XIII 1409 Coincil in the city of Piza Period: 1409 to 1410 Alexander V Period: 1410 to 1415 Jhon XXIII Period: 1414 to 1418 Swiss city of Constiance 1417 Maritan V 1417 Election of a new pope
