Two of this ruler's four wives were daughters of the margrave of Meissen.
This ruler was said to drive iron stakes into rivers to mark the extent of his conquests according to the historian Gallus Anonymus. Two of this ruler's four wives were daughters of the margrave of Meissen. This ruler, who came to power after banishing his stepmother Oda, had his control over Lusatia confirmed when he signed the Peace of Bautzen. This ruler redeemed the corpse of Saint Adalbert for a sack of gold, and was given a supposed copy of the Holy Lance known as St. Maurice's Spear at the Congress of (*) Gniezno. This man inspired an object later used in centuries of coronations, the "Notched Sword" Szczerbiec, when he legendarily used his sword to strike the Golden Gate of Kiev while capturing that city in 1018. For 10 points, name this ally of Holy Roman Emperor Otto the Great and son of Mieszko I, a "Brave" monarch of the Piast dynasty who was the first crowned king of Poland.
This ruler was said to drive iron stakes into rivers to mark the extent of his conquests according to the historian Gallus Anonymus.
Bolesław I Chrobry (or Bolesław the Brave; or Bolesław I Chrobry; or answers with Boleslaus I in place of "Bolesław" I; do not accept or prompt on "Bolesław the Bold," as that epithet refers to Bolesław II)