The fiery, furious relationship between the medieval era’s most famous power couple led to glory and terrible failure. The empire they presided over was the greatest empire in the West since the time of Charlemagne. He was 9 years younger than her, but she matched his energy. When they weren’t making love and producing one of many children, they were plotting against each other or fighting like cat and dog. She took no prisoners, but he made her one for 15 years. The world, it seems, wasn’t big enough for Henry II of England and Eleanor of Aquitaine.