ウェイクフィールドの戦い
On 31 October 1460, Richard of York was briefly created Prince of Wales and Earl of Chester, Duke of Cornwall and Lord Protector of England by an Act of Parliament following the Act of Accord, as part of his arrangement to succeed Henry VI as king instead of Henry's own son. However, Richard was killed on 30 December 1460 at the Battle of Wakefield.