Trafalgar Square is a public square in the City of Westminster, Central London, built arounad 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. Source: https://en.wikipedia.org/wiki/Trafalgar_Square