Battle of Wakefield castle on 30 December. His reasons for doing so have been variously ascribed to deception by the Lancastrian armies, or treachery by some nobles and Lancastrian officers who York thought were his allies, or simple rashness or miscalculation by York. The Duke of York was killed and his army was destroyed, many of the prominent Yorkist leaders and their family members died in the battle or were captured and executed. King Henry VI ascended the throne in 1422, when he was only nine months old. He grew up to be an ineffective king, and prone to spells of mental illness.
English claims to the French throne on 21 September 1792 and replaced it with the French First Republic. During the peace negotiations at the Conference of Lille, lasting from July to November 1797, the French delegates demanded that the King of Great Britain abandon the title of King of France as a condition of peace. In 1800, the Act of Union joined the Kingdom of Great Britain with the Kingdom of Ireland to a new United Kingdom of Great Britain and Ireland. George III chose this opportunity to drop his claim to the now defunct French throne, whereupon the fleurs de lis, part of the coat