Question: What is the date of death of Michael Krešimir Ii Of Croatia's wife?
Sentence (from "Helen of Zadar"): Helen of Zadar  (died 8 October 976), also known as Helen the Glorious, was the queen consort of the Kingdom of Croatia, as the wife of King Michael Krešimir II, from 946 to 969, a period which was marked by "peace, order and expeditious growth".
Relevant evidence: Yes