What is the name of the national anthem?

The national anthem of the United States is called "The Star-Spangled Banner." It was written by Francis Scott Key during the War of 1812 and later adopted as the official national anthem in 1931. The lyrics of the anthem are based on Key's poem, which he wrote while witnessing the British bombardment of Fort McHenry in Baltimore Harbor. The Star-Spangled Banner is sung or played at various official and patriotic events, including sporting events and ceremonies, to honor the United States and its flag.