Military fort and national monument, Baltimore , Maryland, U.S. During the War of 1812 , the British bombarded it in 1814 but failed to capture the city it defended.
American Civil War and then served as a military post until 1900, when it was abandoned. Occupying an area of 43 acres (17 hectares), it was named a national park in 1925 and a national monument in 1939.