Jan II Kazimierz

Jan II Kazimierz, also known as John II Casimir Vasa, was the King of Poland from 1648 to 1668. He was a member of the Vasa dynasty and is notable for his reign during a tumultuous period marked by wars and internal strife, including the Thirteen Years' War and the wars against Sweden and Cossacks. His leadership and decisions had a significant impact on the political landscape of 17th-century Poland.