Years: 1337 1338 1339 - 1340 - 1341 1342 1343

Decades: 1310s 1320s 1330s - 1340s - 1350s 1360s 1370s

Centuries: 13th century - 14th century - 15th century

Events

• January 26 - King Edward III of England is declared King of France
• June 24 - The Battle of Sluys is fought between the naval fleets of the Kingdom of England and the Kingdom of France. The former was under the command of Edward III of England and the later under those of admiral Hue Quiéret and treasurer Nicholas Béhuchet assisted by Genoese mercenary galleys serving under Egidio Bocanegra. The battle ends with the almost complete destruction of the French. Both their commanders were among the casualties. However the mercenaries manage to escape.
• A son of deceased King Christopher II of Denmark is elected to the throne following eight years of Interregnum. He will reign as Valdemar IV of Denmark.

Births

• Haakon VI of Norway (approximate date).

Deaths

af:1340 bg:1340 ca:1340 da:1340 de:1340 es:1340 eo:1340 eu:1340 fr:1340 hr:1340 it:1340 nl:1340 no:1340 pl:1340 ro:1340 ru:1340 sl:1340 fi:1340 sv:1340 uk:1340 zh:1340年