The Great Schism By a.sasina 1377 Gregory XI (dies) 1378 Urban VI Popes of Rome 1378 Clement VII Antipopes of Avignon 1389 Boniface IX Popes of Rome 1394 Benedict XIII Antipopes of Avignon 1404 Innocent VII Popes of Rome 1406 Gregory XII Popes of Rome 1409 Alexander V Antipopes of Pisa 1410 John XXIII Antipopes of Pisa 1417 Martin V Elected- End of Schism
