Introduction to Trafalgar Square: Trafalgar Square was built in 1805. The southern end of Trafalgar Square is the government office area Whitehall, the southwest is the Admiralty Gate (also known as the Admiralty Arch), and behind it is the entrance to Buckingham Palace. The Boulevard of Ceremonies, with the National Gallery to the north. The most prominent symbol of the square is Nelson's Column at the southern end, which is 53 meters high. This monument commemorates Horatio Nelson, an admiral in the Napoleonic Wars and British national hero. At the top of the column is a bronze statue of the general. Surrounding the base of the pillar are four giant bronze lions. Surrounding the base of the column are reliefs commemorating various battles of the Napoleonic Wars. In the middle of the square are two flower-shaped fountains. At the north end of the square are steps. There are four sculpture pedestals at the four corners of the square; there are two more in front of the National Gallery. Five of the six pedestals have existing bronze statues, including several historical generals, monarchs and the founding president of the United States, George Washington.