Western Schism

pope of the Catholic Church from 1417 to 1431

pope of the Catholic Church from 1406 to 1415

pope of the Catholic Church from 1378 to 1389 (1318–1389)

pope of the Catholic Church from 1389 to 1404

split within the Catholic Church from 1378 to 1417, in which bishops in Rome and Avignon both claimed to be the pope, joined by a third line of Pisan popes in 1409

synod

period during which the Pope lived in Avignon, France (1309–1376)

Catholic cardinal and antipope (1339-1410)

cardinal, antipope from 1394 to 1423 (1328-1423)

antipope from 1378 to 1394

French academic (1363/1369–1429)

synod

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tomb monument of Baldassare Cossa created by Donatello and Michelozzo in the Baptistery, Florence, Italy

Italian Dominican friar and venerated Christian

conclave

Prince-bishop

conclave

election of Pope Gregory XII

A pseudocardinal (also quasi-cardinal or anticardinal) is a cardinal created by an antipope, that is, one whose appointed is not recognized as canonical by the Catholic Church.

Catholic cardinal

French monk and cardinal

1398 religious war

Frequens (Frequent) is the name for the decree passed at the Council of Constance on October 9, 1417; it was supposed to ensure that the Pope convened councils regularly. With this decree, the council participants determined that church meetings should be held "forever". The title is the incipit of the decree, the first sentence of which runs, ("Frequent celebration of general councils is the best method of cultivating the field of the Lord").

1415 document regarding papal supremacy