title: Kingdom of Poland (1025–1385)
context: Duke Bolesław III the Wrymouth, who reigned from 1102 to 1138, tried to end the repeated struggles between various claimants by setting the government of Poland on a more formal footing. In his testament, he divided his lands into five Duchies and distributed them among his sons.
question: Who was the King of Poland during the 1100's?
answers: Duke Bolesław III the Wrymouth