Helen of Zadar, queen consort of the Kingdom of Croatia
Helen of Zadar (Croatian: Jelena) (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". She was the regent of Croatia after the death of her spouse during the minority of her son Stephen Držislav of Croatia, and ruled from 969 until 976.