This ruler recruited Bela III of Hungary to join him on a military expedition, which this man joined after the Diet of Mainz. He destroyed Milan after the Diet of Roncaglia, which was convened by an alliance that later defeated this ruler at the Battle of Legnano. This ruler drowned in the Saleph River during an invasion he undertook with Philip II Augustus. This opponent of the Lombard League died while on the Third Crusade. For 10 points, name this twelfthcentury Holy Roman Emperor from the Hohenstaufen line, named for his ruddy facial hair.
This ruler recruited Bela III of Hungary to join him on a military expedition, which this man joined after the Diet of Mainz. He destroyed Milan after the Diet of Roncaglia, which was convened by an alliance that later defeated this ruler at the Battle of Legnano. This ruler drowned in the Saleph River during an invasion he undertook with Philip II Augustus. This opponent of the Lombard League died while on the Third Crusade. For 10 points, name this twelfthcentury Holy Roman Emperor from the Hohenstaufen line, named for his ruddy facial hair.
This ruler recruited Bela III of Hungary to join him on a military expedition, which this man joined after the Diet of Mainz.
Frederick Barbarossa [or Frederick I Barbarossa; prompt on Frederick; prompt on Barbarossa]