Trafalgar Square is a public square in the City of Westminster, Central London, built around the area formerly known as Charing Cross. Its name commemorates the Battle of Trafalgar, a British naval victory in the Napoleonic Wars with France and Spain that took place on 21 October 1805 off the coast of Cape Trafalgar, Spain. The site of Trafalgar Square had been a significant landmark since the 13th century and originally contained the King's Mews.