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
Carnival of Santiago de Cuba or "“Carnaval de los mamarrachos”" which also coincided with the celebration of Santiago day on July 25. By the 1920s Winter Carnaval celebrations were abandoned, and Summer Carnaval remained the only Carnaval in Santiago de Cuba. On Fridays, Saturdays, and Sundays during the month of June, everyone in Cuba knew one could go to Santiago to party. The major patrons of these summer festivities were local industries: Polar, La Cristal and Hatuey beers; Bacardi rum; and Eden tobacco. Many of the participants in Summer Carnaval were the newly unemployed sugar and coffee workers, who were quite willing to remain in