Antipope Alexander V

Peter was born near present-day NeapoliinCrete, then part of the Republic of Venice, in 1339.^[1] Born into a Greek family, he was baptised Pietro Filargo, but is often known by the names Pietro di Candia and Peter Philarges.^[1] Peter was raised by Italian Franciscans after being orphaned at a young age.^[2]

Peter entered the Franciscan order, and his abilities were such that he was sent to study at the universities of Oxford and Paris. While he was in Paris the Western Schism occurred; Peter supported Pope Urban VI (1378–89). He became an adviser to, Giangaleazzo Visconti, the Duke of Milan, and for almost ten years, Peter was prime minister to Galeatus and his son.^[2] He returned to Lombardy, where, thanks to the favour of Giangaleazzo Visconti, Peter became bishop, first of Piacenza (1386), then of Vicenza (1387), then of Novara (1389), and finally Archbishop of Milan (1402).^[1] He was created cardinalbyPope Innocent VII (1404–1406) in 1405.^[2]

At the Council of Pisa (from 25 March 1409), the assembled cardinals elected Peter to the Papal chair they had declared vacant. He was crowned on 26 June 1409, as Alexander V, making him in reality the third rival pontiff. Following his election, most polities in Europe recognised him as the true pontiff with the exceptions of the Kingdom of Aragon and Scotland, which remained loyal to the Avignon pope, and various Italian states, which adhered to the Roman pope.^[3]

During his ten-month reign, Alexander's aim was to extend his obedience with the assistance of France, and, notably, of Duke Louis II of Anjou, upon whom he conferred the investiture of the Kingdom of Sicily, having removed it from Ladislaus of Naples. He proclaimed and promised rather than effected a certain number of reforms: the abandonment of the rights of "spoils" and "procurations", and the re-establishment of the system of canonical election in the cathedral churches and principal monasteries.^[4] He also gave out papal favours with a lavish hand, from which the mendicant orders benefitted especially.

Alexander suddenly died while he was with Cardinal Baldassare Cossa at Bologna, on the night of 3–4 May 1410. His remains were placed in the church of St. Francis at Bologna. A rumour, though now considered false, spread that he had been poisoned by Cossa, who succeeded him as John XXIII (1410–1415).^[5]

The Popes' drinking society at Greyfriars, Oxford, is traditionally held to have been founded by Peter during his time at the university. With the closure of Greyfriars in 2008, the society is now populated mainly by students of Regent's Park College, Oxford.^[6]

Traditionally, the Catholic Church considered Gregory XII's papacy to have ended in 1409 with the election of Alexander V. In 1958, Pope John XXIII selected the regnal number XXIII, citing "twenty-two Johns of indisputable legitimacy."^[7] Since the previous John XXIII (1410–1415) had succeeded Alexander V, the Pisan line became illegitimate. Gregory XII's papacy was extended to 1415, and Alexander V is now regarded by the Catholic Church as an antipope.^[8] Alexander V remains in the numbering sequence, since Rodrigo Borgia had already taken the name Alexander VI in 1492.

• Papal selection before 1059
• Papal conclave (since 1274)

• Artaud de Montor, Alexis François. The Lives and Times of the Popes. Volume 4 (New York: Catholic Publication Society of America, 1911), pp. 109–111.
• Brown, Stephen F. (2010). "Peter of Canida's Commentary on the Sentences of Peter Lombard". In Rosemann, Philipp W. (ed.). Mediaeval Commentaries on the Sentences of Peter Lombard. Vol. 2. Brill. pp. 439–470.439
• Frank, J.W.,『Die Obödienzerklärung des österreichischen Herzöge für Papst Alexander V. (1409),』(in German), in: Römische Historische Mitteilungen, 20, 1978, pp. 49–76.
• Gregorovius, Ferdinand. History of Rome in the Middle Ages. Volume VI. 2, second edition, revised (London: George Bell, 1906). [Book XII, chapter 5, pp. 598–612].
• Kelly, J.N.D. & Walsh, M.J. Oxford Dictionary of Popes. second edition. Oxford: OUP 2010.
• Logan, F. Donald (2013). A History of the Church in the Middle Ages. Routledge.
• Oakley, Francis (2008). "The Conciliar Heritage and the Politics of Oblivion". In Christianson, Gerald; Izbicki, Thomas M.; Bellitto, Christopher M. (eds.). The Church, the Councils, and Reform: The Legacy of the Fifteenth Century. The Catholic University of America Press.
• Pastor, Ludwig Freiherr von. The History of the Popes: From the Close of the Middle Ages. Volume 1, fifth edition. Herder, 1923 [pp. 177–191]
• Petrucci, Armando. "Alessandro V, antipapa." (in Italian). In: Enciclopedia dei Papi (2000).
• Schabel, Christopher (2002). "Peter of Candia". In Gracia, Jorge J. E.; Noone, Timothy B. (eds.). A Companion to Philosophy in the Middle Ages. Blackwell Publishing. pp. 506–507.
• Sumption, Jonathan (2015). The Hundred Years War. Vol. IV: Cursed Kings. Philadelphia: University of Pennsylvania Press. ISBN 9780812247060.
• Tuilier, A.『L'élection d'Alexandre V, pape grec, sujet vénitien et docteur de l'Université de Paris,』(in French), in: Rivista di Studi Bizantini e Slavi, 3, 1983, pp. 319–341.
• Valois, Noël. La France et le grand schisme d'Occident. Tome IV: Recours au Concile général. (in French) Paris: A. Picard et fils, 1902. [pp. 102–129]

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