Vietnam War, 1961-1975 109 World War, 1939-1945 80 History 51 Campaigns 17 Soldiers 15 Japanese Americans 11 Women 11 more ... Atrocities 10 Prisoners of war 10 Veterans 10 Forced removal and internment, 1942-1945 9 World War, 1914-1918 9 Medical care 8 Americans 7 Concentration camps 7 Regimental histories 7 Aerial operations, American 6 Iraq War, 2003-2011 6 Nurses 6 African Americans 5 Description and travel 5 Refugees 5 Conscientious objectors 4 Journalists 4 My Lai Massacre, Vietnam, 1968 4 Participation, American 4 Persian Gulf War, 1991 4 Prisoners and prisons, Japanese 4 Prisoners and prisons, North Vietnamese 4 Protest movements 4 less ...