World War, 1939-1945 History 221 Holocaust, Jewish (1939-1945) 112 Jews 107 Campaigns 87 Military campaigns 65 Prisoners of war 55 more ... Underground movements 55 Armed Forces 50 Rescue 49 Soldiers 49 Prisoners and prisons, German 37 Politics and government 36 Aerial operations, American 33 Japanese Americans 32 Military operations, Aerial 32 American 31 Biography 30 Holocaust survivors 30 Righteous Gentiles in the Holocaust 30 Social conditions 30 Generals 29 Refugees 29 War 27 Concentration camps 26 Forced removal and internment, 1942-1945 25 Children 23 Childhood and youth 22 Secret service 22 Women 22 less ...