Seavey's Island side of Seavey's Island at the former site of Camp Long, a stockade named for Secretary of the Navy John Long, where 1,612 prisoners of war from the Battle of Santiago de Cuba were confined from July 11 to mid-September 1898 during the Spanish–American War. Camp Heywood, a Marine camp named after Colonel Charles Heywood, was located just north of the naval prison. It was occupied after the 1st Battalion's return from Cuba in late August until September 21, 1898. According to the National Trust for Historic Preservation, the Portsmouth Naval Shipyard has 62 buildings listed on the National Register
Military history of Cuba fought alongside American troops throughout the war on the Cuban island. The war lasted for 10 weeks. Cuba was occupied by US military troops on July 17, 1898. In the Treaty of Paris (1898), Spain renounced its sovereignty over Cuba without naming a receiving country. Cuba then established its own civil government, which was recognized by the United States as the legal government of Cuba upon the announcement of the termination of United States Military Government (USMG) jurisdiction over the island on May 20, 1902. This date is celebrated as Independence day for the Republic of Cuba. Cuba entered World