Major Events
- Jan 26 English king Edward III proclaimed king of France
- Apr 1 Niels Ebbesen kills Gerhard III of Holstein in his bedroom, ending the 1332-1340 interregnum in Denmark.
- Jun 7 Rotterdam Netherlands founded
- Jun 24 English fleet destroys the French at the battle of Sluys (the Hundred Years' War)
- Sep 25 England & France sign disarmament treaty
- Oct 30 Battle of Rio Salado (or Tarifa): King Afonso IV of Portugal and King Alfonso XI of Castile defeat Sultan Abu al-Hasan 'Ali of Morocco and Yusuf I of Granada, last Marīnids invasion of Iberian Peninsula
John of GauntMore People Born in 1340
Who Died in 1340
- Mar 31 Ivan I of Moscow, Prince of Moscow and Grand Prince of Vladimir (b. 1288)
- Jun 1 Jan van Diest, Bishop of Utrecht (1322-40), dies
- Oct 18 Henry Henricus of Friemar, Augustine philosopher, dies
- Dec 4 Henry Burghersh, English bishop and chancellor (b. 1292)
Edward III