Edmund II was an Anglo-Saxon king who ruled England briefly in the early 11th century. He is also known as Edmund Ironside due to his bravery and strength in battle. Other synonyms for Edmund II include Edmund the Martyr, Edmund Ironjaw and Edmund the Confessor. Edmund was a popular name amongst the Anglo-Saxon kings, with several monarchs before and after Edmund II sharing the same name. Despite his short reign, Edmund II is remembered for his bravery in the face of Viking invasions and his attempts to unify the English kingdoms against outside threats.