Ethelred I, also known as Ethelred the Unready, was King of England from 978 to 1013. Synonyms for Ethelred I include Ethelred the Redeless, meaning counsel-less or without counsel, and Ethelred the Inept, suggesting a lack of competency in governing. He is also sometimes referred to as Ethelred the Ill-Advised or Ethelred the Poorly Advised, hinting at a failure to heed wise counsel. Ethelred I's reign was marked by Viking invasions and political instability, leading to his eventual removal from the throne. Despite his frequent missteps, Ethelred I was a significant figure in English history and continues to be studied and remembered today.