 After the war , the military service of Hawaiians , including Henry Hoʻolulu Pitman , were largely forgotten , disappearing from the collective memories of the American Civil War and the history of Hawaiʻi . However , in recent years , Hawaiian residents and historians and descendants of Hawaiian combatants in the conflict have insisted on the need to remember " our boys from Hawaii " . Renewed interest in the stories of these individuals and this particular period of Hawaiian @-@ American history have inspired efforts to preserve the memories of the Hawaiians who served in the war . On August 26 , 2010 , on the anniversary of the signing of the Hawaiian <unk> <unk> , a bronze plaque was erected along the memorial pathway at the National Memorial Cemetery of the Pacific in Honolulu recognizing these " Hawaiʻi Sons of the Civil War " , the more than one hundred documented Hawaiians who served during the American Civil War for both the Union and the Confederacy . Pitman 's great @-@ <unk> Diane Kinoʻole o <unk> Pitman <unk> attended the ceremony . Pitman <unk> stated , " I 'm very proud of a young man of his age – he was quite young – who served in the Civil War for his family . " 
