The Great Western Schism - Aubrey By aubrita21 Jan 10, 1377 Pope Gregory XII dies Period: Jan 10, 1378 to Jan 11, 1389 Pope Urban VI Period: Jan 11, 1378 to Jan 12, 1394 Pope Cement VII -antipope Mar 27, 1378 R- Pope Urban VI Elected Sep 20, 1378 A- Pope Clement VII Elected- antipope Period: Jan 11, 1389 to Jan 12, 1404 Pope Boniface IX Nov 2, 1389 R- Pope Boniface IX Elected Period: Jan 11, 1394 to Jan 12, 1423 Pope Benedict XIII- antipope Oct 11, 1394 A- Pope Benedict XIII- Antipope Period: Jan 11, 1404 to Jan 12, 1406 Pope Innocent VIII Oct 17, 1404 R-Pope Innocent VII Elected Period: Jan 11, 1406 to Jan 12, 1415 Pope Gregory XII Nov 30, 1406 R- Pope Gregory XII Elected Period: Jan 11, 1409 to Jan 12, 1410 Pope Alexander V Jun 26, 1409 P- Pope Alexander V Elected Period: Jan 11, 1410 to Jan 12, 1415 Pope John XXIII May 25, 1410 P- Pope John XXIII Elected