2011 Event Japan's Government apologizes to Canada for the treatment of its POWs during World War II 1982 Event Britain announces it is returning 593 Argentine POWs 1973 Event 1st U.S. POWs in North Vietnam released; 116 of 456 flown to Philippine 1865 Event Steamboat "Sultana" explodes in Mississippi River, kills up to 1,547. 1450 of 2000 paroled Union POWs on their way home are killed when river steamer "Sultana" blows up
