Births on June 3

Bogislaw X, Duke of Pomerania (1474-1523) (d. 1523)

Bogislaw X of Pomerania, the Great, (3 June 1454 – 5 October 1523) was Duke of Pomerania from 1474 until his death in 1523.

6 Mar

Casimir IV of Poland
Thirteen Years' War: Delegates of the Prussian Confederation pledge allegiance to King Casimir IV of Poland who agrees to commit his forces in aiding the Confederation's struggle for independence from the Teutonic Knights.