1417

Events of 1417

• April 18 - Frederick I, Elector of Brandenburg begins to rule as margrave of Brandenburg.
• June 24 - The Isle of Man holds the first known Tynwald Day; the annual meeting of its parliament (Tynwald) which has continued every year until the present.
• July 27 - Avignon Pope Benedict XIII is deposed, bringing to an end the Great Western Schism.
• November 11 - Pope Martin V succeeds Pope Gregory XII as the 206th pope.
• The use of street lighting is first recorded in London, when Sir Henry Barton, the mayor, orders lanterns with lights to be hung out on the winter evenings between Hallowtide and Candlemas.

Births

• February 23 - Pope Paul II (d. 1471)
• June 19 - Sigismondo Pandolfo Malatesta, lord of Rimini (d. 1468)
• November 23 - William FitzAlan, 16th Earl of Arundel, English politician (d. 1487)
• date unknown
• Jöns Bengtsson Oxenstierna, regent of Sweden
• Nicholas of Flüe, Swiss hermit and saint (d. 1487)

Deaths

• January - Art mac Art MacMurrough-Kavanagh, King of Leinster (b. 1357)
• April 29 - Louis II of Naples (b. 1377)
• September 4 - Robert Hallam, English Catholic bishop
• September 16 - Francesco Zabarella, Italian jurist (b. 1360)
• October 18 - Pope Gregory XII
• December 14 - John Oldcastle, English Lollard leader
• probable - Huitzilíhuitl, Aztec ruler of Tenochtitlan