King Æthelred II (pictured) ordered the massacre of all Danes in England. Æthelred the Unready: Æthelred II, known as Æthelred the Unready, was King of the English from March 978 to December 1013 and again from February 1014 until his death. The epithet "Unready" or "Unræd" is a pun on his name in Old English, Æðel (noble) and ræd (counsel). He was the son of King Edgar and Queen Ælfthryth. November 13, 1002. Wiki link