The Edward the Black Prince ends his military alliance with Pedro of Castile due to ill-health. Pedro subsequently loses the Battle of Montiel to an alliance between the French and his half-brother Henry II. Henry murders Pedro after the battle and becomes King of Castille for a second time.
The Thai Kingdom of Ayutthaya conquers Cambodia for a second time.
Financed by Charles V of France, Welshman Owain Lawgoch launches an invasion fleet against the English in an attempt to claim the throne of Wales. A storm causes Owain to abandon the invasion.
Duong Nhat Le succeeds Tran Hao as King of Vietnam.