The 1st King's Dragoon Guards was a cavalry regiment in the British Army. The regiment was raised by Sir John Lanier in 1685 as the 2nd Queen's Regiment of Horse, named in honour of Queen Mary, consort of King James II. It was renamed the 2nd King's Own Regiment of Horse in 1714 in honour of George I. The regiment attained the title 1st King's Dragoon Guards in 1751. The regiment served as horse cavalry until 1937 when it was mechanised with light tanks. The regiment became part of the Royal Armoured Corps in 1939. After service in the First World War and the Second World War, the regiment amalgamated with the 2nd Dragoon Guards (Queen's Bays) in 1959 to form the 1st The Queen's Dragoon Guards. History Early history The regiment was raised by Sir John Lanier in 1685 as Lanier's Regiment of Horse or the 2nd Queen's Regiment of Horse, named in honour of Queen Mary, consort of King James II, as part of the response to the Monmouth Rebellion. 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. The regiment took part in the response to the Indian Rebellion in 1857 as well as the Battle of Taku Forts in August 1860 and the capture of Peking during the Second Opium War. A detachment of the regiment was responsible for the capture of King Cetshwayo at the Battle of Ulundi in July 1879 during the