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
Raid on Santiago de Cuba (1603) by the English since the advent of the Anglo-Spanish war. Santiago de Cuba was the second largest town in Cuba having been founded in 1515. The town had been targeted by pirates before, notably in 1553. On 12 May 1603 the English landed in a bay near Santiago de Cuba and met no resistance. They then took the small but unfinished fort; a ravelin and battery on the south-western beach of the promontory which covered the bay from the land side. Soon after Cleeve's men then marched towards the town and then launched an attack. They surprised the militia who