Births on July 14

Arnold, Duke of Guelders, (d. 1473)

Arnold of Egmond (14 July 1410 – 23 February 1473) was Duke of Guelders, Count of Zutphen.

15 Jul

Battle of Grunwald
Polish-Lithuanian-Teutonic War: Battle of Grunwald: The allied forces of the Kingdom of Poland and the Grand Duchy of Lithuania defeat the army of the Teutonic Order.
2 Nov

Armagnac-Burgundian Civil War
The Peace of Bicêtre suspends hostilities in the Armagnac-Burgundian Civil War.