Guerre mondiale, 1939-1945 HISTORY World War, 1939-1945 36 History 24 Histoire 19 Military 19 World War II 19 Campaigns 10 Military campaigns 10 Western 10 Campagnes et batailles 9 Social aspects 8 Aspect social 7 War 6 Military operations, Aerial 4 Mouvements de résistance 4 Politics and government 4 Politique et gouvernement 4 Secret service 4 Service secret 4 Tweede Wereldoorlog 4 Underground movements 4 Weltkrieg 4 American 3 Diplomatic relations 3 Foreign relations 3 Guerre et société 3 Military operations, Naval 3 Modern 3 National socialism 3