The regiment saw action at the Battle of the Boyne in July 1690 and the Battle of Aughrim in July 1691 during the Williamite War in Ireland. It also fought at the Battle of Blenheim in August 1704, the Battle of Ramillies in May 1706, the Battle of Oudenarde in July 1708 and the Battle of Malplaquet in September 1709 during the War of the Spanish Succession. The regiment was renamed the 2nd King's Own Regiment of Horse in 1714 in honour of George I. It saw action again at the Battle of Dettingen in June 1743 during the War of the Austrian Succession. The regiment was renamed the 1st King's Dragoon Guards in 1751. The regiment made a desperate charge which saved the army at the Battle of Corbach in July 1760 and then made another famous charge at the Battle of Warburg later that month during the Seven Years' War. The regiment charged again with devastating effect at the Battle of Waterloo in June 1815 during the Napoleonic Wars.