The Yorkists led by 18-year old Edward, Earl of March, defeat the Lancastrians, at the Battle of Mortimer's Cross on February 2, 1461, during the English Wars of the Roses. The Lancastrian leader, Owen Tudor. was captured and executed. The victory helped Edward claim the throne as King Edward IV.
Edward IV, was proclaimed King of England on March 4, 1461, following his father's death, and formally crowned on June 28, 1461, at Westminster Abbey.