1420

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.
• 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.
• Construction begins on the Temple of Heaven in Beijing.

Births

• John Morton
• John Stafford, 1st Earl of Wiltshire

Deaths

• Andrew of Wyntoun, chronicler