Events

• Ottoman Turks occupy Veliko Turnovo in north-central Bulgaria.
• Stefan Dabiša , king of Bosnia signs the Contract of Djakovice, establishing peace with King Sigmund of Hungary.

Births

• John Capgrave, Augustinian theologian
• August 24 - Arthur III, the Justicier, Duke of Brittany (d. 1458)

Deaths

• Emperor Go-En'yu of Japan, fifth and last of the Northern Ashikaga Pretenders
• Fa Ngum, Creator of the Lao Kingdom of Lan Xang