The Star-Spangled Banner National Historic Trail is a National Historic Trail that commemorates the Chesapeake Campaign of the War of 1812. The 560-mile (900 km) trail was named after "The Star-Spangled Banner," the national anthem of the United States. Consisting of water and overland routes, the trail extends from Tangier Island, Virginia, through southern Maryland, the District of Columbia, the Chesapeake Bay, and Baltimore, Maryland. The trail also contains sites on Maryland's Eastern shore. It was authorized by the Consolidated Natural Resources Act of 2008.