HISTORY Military History 30 Histoire 27 World War, 1939-1945 16 Guerre mondiale, 1939-1945 15 World War II 15 Histoire militaire 11 History, Military 11 Military Science 11 Other 11 TECHNOLOGY & ENGINEERING 11 Guerre 10 Aspect social 8 Social aspects 8 World War, 1914-1918 7 Military policy 6 Guerre et société 5 Politics and government 5 Politique et gouvernement 5 Public opinion 5 War 5 War and society 5 World War I. 5 Campaigns 4 Military campaigns 4 Pertes 4 Western 4 Armed Conflicts 3 Armes nucléaires 3