1340
| 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