Edward IV, also known as Edward the Fourth, was the king of England from 1461 to 1470 and again from 1471 until his death in 1483. Some synonyms for the name Edward IV include Edward Plantagenet, Edward of York, and Edward of March. He is known for his victory over the Lancastrian army in the Battle of Towton, which established the Yorkist claim to the throne. He is also remembered for his secret marriage to Elizabeth Woodville, which caused political turmoil and led to the Princes in the Tower mystery. Despite his controversial reign, Edward IV remains a significant figure in English history.