The son of King Harald Grenske of Norway was born in 995 A.D. He spent most of his youth as a Norse raider until 1010 when he was baptized at Rouen. In 1013, he journeyed to England and offered his services to King Ethelred II against the invading Danes. Returning home in 1015 after succeeding to the throne, he embarked upon a war to free Norway from the domination of the Danes and the Swedes,...