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
Roman Catholic Archdiocese of Santiago de Cuba Roman Catholic Archdiocese of Santiago de Cuba The Roman Catholic Archdiocese of Santiago de Cuba () (erected 1518 as the Diocese of Baracoa) is a Metropolitan Archdiocese, responsible for the dioceses of Guantánamo-Baracoa, Holguín and Santísimo Salvador de Bayamo y Manzanillo. The diocese's name was changed to the Diocese of Santiago de Cuba. It was a suffragan of the Archdiocese of Seville in Spain until 12 February 1546 when it became a suffragan of the Diocese of Santo Domingo (now Archdiocese of Santo Domingo) in the Dominican Republic. In 1803, the see was elevated to an archdiocese. The archdiocese is