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
French immigration to Cuba Cuba were allowed to return to the island. They, together with new French immigrants, formed a second wave of French immigration to Santiago de Cuba. This second wave promoted an increase in economic activity in the city, and resulted in Santiago becoming a prime exporter of coffee. Sugarcane-raising expanded in the surrounding savannas, while new roads and aqueducts were built to encourage the settling of the Sierra Maestra. Between 1818 and 1835 a third wave of immigration to Santiago de Cuba occurred, prompted by a royal order from the Spanish Crown intended to increase the proportion of whites in the