William II, son of William the Conqueror, was crowned king of England. William II of England: William II was King of England from 26 September 1087 until his death in 1100, with powers over Normandy and influence in Scotland. He was less successful in extending his control into Wales. The third son of William the Conqueror, he is commonly referred to as William Rufus, perhaps because of his ruddy appearance or, more likely, because he had red hair. September 26, 1087. Wiki link