1420

Millennium:	2nd millennium
Centuries:	14th century – 15th century – 16th century
Decades:	1390s  1400s  1410s  – 1420s –  1430s  1440s  1450s
Years:	1417 1418 1419 – 1420 – 1421 1422 1423

Year 1420 was a leap year starting on Monday.

Events

• May 21 – Treaty of Troyes. With the Burgundian faction dominant in France, King Charles VI of France acknowledges Henry V of England as his heir and as virtual ruler of most of France.
• May 25 – Henry the Navigator is appointed governor of the Order of Christ.
• The Madeira Islands were discovered by the Portuguese João Gonçalves Zarco.
• Hussite Wars – Sigismund, Holy Roman Emperor fails at the battle of Vysehrad and is ejected from Bohemia.
• Catherine of Valois marries Henry V of England.
• Henry V of England starts the construction Grace Dieu (ship)
• Construction begins on the Temple of Heaven in Beijing, China while the Forbidden City is completed.
• World population reaches 3.75 million.

Births

• November 24 – John Stafford, 1st Earl of Wiltshire, English politician (died 1473)
• date unknown
  • Jean Fouquet, French painter (died 1481)
  • Nicolas Jenson, French engraver (died 1480)

Deaths

• June 11 – John III, Burgrave of Nuremberg (born c.1369)
• August 9 – Pierre d'Ailly, French theologian and cardinal (born 1351)
• September 3 – Robert Stewart, 1st Duke of Albany, regent of Scotland
• date unknown
  • Epiphanius the Wise, Russian saint
  • Andrew of Wyntoun, Scottish chronicler (born 1350)