1329 The Ghibellines turn against Ludwig; the Visconti and Este families treat with the pope. Nicholas abdicates, and is imprisoned at Avignon.
1332 John of Bohemia, who has settled the troubles of the Ghibellines, plots with the pope to obtain Italy.
1333 The papal forces defeated at Ferrara. John abandons his designs on Italy, and returns to Bohemia.
1334 The papal party loses most of its captured cities. Death of John, as he is about to be tried for heresy. Jacques Fournier, Benedict XII. He begins to build the palace of the popes at Avignon, and attempts to curb the luxury of the monastic orders.
1338 The German electors declare that the pope has no jurisdiction over Germany.
1342 Pierre Roger, Clement VI. The Romans send an embassy to urge him to return to Rome. He appoints the Fifty Year Jubilee.
1343 Clement renews excommunication of Ludwig.
1347 Revolution of Rienzi in Rome. He is elected tribune, and carries out many reforms. After a defeat of the nobles he commits many extravagant acts, and is compelled to abdicate.
1348 Joanna of Naples sells Avignon to the pope.
1349 The Flagellants declared to be heretics.