World War, 1939-1945 1,020 History 300 Campaigns 164 Holocaust, Jewish (1939-1945) 75 Atrocities 56 Jews 51 Underground movements 46 more ... Concentration camps 41 Aerial operations 39 Rescue 27 Naval operations, British 23 World War, 1914-1918 23 Man-woman relationships 22 Women 21 Pearl Harbor (Hawaii), Attack on, 1941 20 Soldiers 19 Social aspects 18 Atomic bomb 17 Politics and government 17 Foreign relations 16 Prisoners and prisons, German 16 War work 16 Veterans 15 Airplanes, Military 14 Children 14 National socialism 14 Naval operations 14 Propaganda 14 Documentary films 13 Motion pictures and the war 13 less ...