1406

January–December

• April 4 - James I becomes King of Scotland, after having been captured by Henry IV of England.
• October 7 - French troops comprising 1,000 men at arms land on Jersey, and fight a battle against 3,000 defenders.
• October 13 - Richard Whittington is elected Lord Mayor of London for a second full term. He holds this office simultaneously, with that of Mayor of the Calais Staple.
• October 26 - Eric of Pomerania marries Philippa, daughter of Henry IV of England.
• November 30 - Pope Gregory XII succeeds Pope Innocent VII, as the 205th pope.
• December 25 - John II becomes King of Castile.

  Date unknown

• Construction of the Forbidden City begins in Beijing during the Chinese Ming Dynasty.
• Pisa is subjugated by Florence.