- Jul 19 Dirk IV, mister of Valkenburg (1332-46), dies in battle
- Aug 25 Louis of Nevers, Count of Flanders, dies in battle
- Aug 26 Charles II of Alençon, killed in the Battle of Crécy (b. 1297)
- Aug 26 John the Blind, King of Bohemia (1310-46), Count of Luxemburg, dies at the Battle of Crécy at 50
- Aug 26 Rudolph, Duke of Lorraine, killed in the Battle of Crécy (b. 1320)