Events

• Battle of Sempach: Swiss safeguard independence from Hapsburg rule
• End of reign of Poland by Capet-Anjou family. Jagiello (Vladislav V) unites Lithuania and Poland.
• Dan I is succeeded as ruler of Wallachia by Mircea the Old.
• The Viking colony of Greenland submits itself to the Norwegian king.

Births

• March 12 - Ashikaga Yoshimochi, Ashikaga shogun

Deaths

• July 9 - Duke Leopold III of Austria in the Battle of Sempach