King Casimir III of Poland (died 1368)

Casimir III the Great

King of Poland from 1333 to 1370

Casimir III the Great reigned as the King of Poland from 1333 to 1370. He also later became King of Ruthenia in 1340, retaining the title throughout the Galicia–Volhynia Wars. He was the last Polish king from the Piast dynasty.