Volhynia (also called Kingdom of Rus ') from 1272 to 1349 when was conquered by polish King Casimir III of Poland who then became known as the King of Poland and Rus'.
Volhynia (also called Kingdom of Rus ') from 1272 to 1349 when was conquered by polish King Casimir III of Poland known as the King of Poland and Rus'. This polish King Casimir III of Poland then became.