Deaths on March 31

Ivan I of Moscow

Died on March 31, 1340

Ivan I of Moscow, Russian Grand Duke (b. 1288)

Iván I Danilovich Kalitá (Russian: Ива́н I Данилович Калита́; 1 November 1288 – 31 March 1340 or 1341) was Grand Duke of Moscow from 1325 and Vladimir from 1332.

References

Ivan I of Moscow

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Events on 1340

1 Apr

Gerhard III, Count of Holstein-Rendsburg
Niels Ebbesen kills Gerhard III, Count of Holstein-Rendsburg in his bedroom, ending the 1332-1340 interregnum in Denmark.
24 Jun

Battle of Sluys
Hundred Years' War: Battle of Sluys: The French fleet is almost completely destroyed by the English fleet commanded in person by King Edward III.
30 Oct

Battle of Río Salado
Portuguese and Castilian forces halt a Marinid invasion at the Battle of Río Salado.

Deaths on March 31

Ivan I of Moscow

Died on March 31, 1340

References

Choose Another Date

Events on 1340

Gerhard III, Count of Holstein-Rendsburg

Battle of Sluys

Battle of Río Salado