872, Ivar, King of the Northmen of all Ireland and Britain , ended his life." He had conquered Mercia and East Anglia. He had captured the major stronghold of the kingdom of Strathclyde, Dumbarton. Laden with loot and seemingly invincible, he settled in Dublin and died there peacefully two years later. The pious chroniclers report that he "slept in Christ." Thus it may be that he had the best of both worlds.