History World War, 1939-1945 Campaigns 32 Military campaigns 32 Holocaust, Jewish (1939-1945) 15 Armed Forces 12 Regimental histories 12 more ... War 11 Ethnic relations 10 Military operations, Aerial 9 Prisoners of war 9 Underground movements 9 American 8 Atrocities 8 Concentration camps 8 Internment camps 8 Jews 8 Soldiers 8 Aerial operations, American 7 Political aspects 7 Refugees 7 Collective memory 6 Race relations 5 Secret service 5 Influence 4 Africans 3 Black people 3 Bombing, Aerial 3 British 3 Deportation 3 less ...