Historical Events in 1257 Jun 5 Kraków, Poland, receives city rights. Famous People Born in 1257 Oct 14 Przemysł II, King of Poland (1295-96), born in Poznań, Kingdom of Poland (d. 1296) Famous People Who Died in 1257 Jun 4 Duke Przemysl I of Poland Dec 24 John I, Count of Hainaut (1246-57), dies at 39 1256 History by Year 1258