1410

1410 (MCDX) was a common year starting on Wednesday of the Julian calendar, the 1410th year of the Common Era (CE) and Anno Domini (AD) designations, the 410th year of the 2nd millennium, the 10th year of the 15th century, and the 1st year of the 1410s decade. As of the start of 1410, the Gregorian calendar was 9 days ahead of the Julian calendar, which was the dominant calendar of the time.

• March 29 – The Aragonese capture Oristano, capital of the giudicato di Arborea in Sardinia
• July 15 – Battle of Grunwald (also known as Tannenberg or Zalgiris). Polish and Lithuanian forces under the cousins Władysław Jagiełło of Poland and Vytautas the Great decisively defeat the forces of the Teutonic Knights, whose power is broken
• Jan Hus is excommunicated by the Archbishop of Prague.
• Antipope John XXIII is elected.
• Start of the building of Castle Woerden.

• date unknown
  • Masuccio Salernitano, Italian poet (died 1475)
  • William Sinclair, 1st Earl of Caithness (died 1484)
• probable
  • Johannes Ockeghem, Dutch composer (died 1497)
  • Conrad Paumann, German organist and composer (died 1473)
  • Vecchietta, Sienese painter, sculptor and architect (died 1480)

• March 5 – Matthew of Kraków, Polish reformer (born 1335)
• March 16 – John Beaufort, 1st Earl of Somerset
• May 3 – Pope Alexander V
• May 18 – Rupert of Germany, Count Palatine of the Rhine (born 1352)
• May 31 – King Martin I of Aragon (born 1356)
• July 15
  • Ulrich von Jungingen, German Grand Master of the Teutonic Knights (killed in battle) (born 1360)
  • Friedrich von Wallenrode, komtur of Ryna, (killed in battle)
• September 13 – Isabella of Valois, queen consort of England (born 1387)
• date unknown
  • Beatrice, Queen of Portugal in the 1383-1385 crisis and Queen-consort of John I of Castile (born 1372)
  • John Badby, English martyr
  • Louis II, Duke of Bourbon (born 1337)
  • John Gower, English poet (born 1330)