Birth of George, duke of Clarence, third surviving son of Richard duke of York and his duchess, Cecily Nevill.
George was created duke of Clarence at the coronation of his brother, Edward IV. He married Isobel Nevill, daughter of Richard Nevill earl of Warwick on 11 July 1469. The couple had four children, two surviving into adulthood and both eventually executed. George was executed for treason 18 February 1478.