World War, 1914-1918 History 451 Guerre mondiale, 1914-1918 173 Histoire 148 Weltkrieg 86 Politics and government 75 Campaigns 70 more ... Social aspects 61 World War, 1939-1945 59 Influence 57 Social conditions 50 Soldiers 45 Eerste Wereldoorlog 42 History, Military 41 Military campaigns 40 Foreign relations 37 Women 34 Armed Forces 31 Influence (Literary, artistic, etc.) 30 Politique et gouvernement 28 War 28 International relations 25 Causes 24 Military participation 24 Aspect social 22 Guerre mondiale, 1939-1945 21 Conditions sociales 20 Naval operations 20 Intellectual life 19 Propaganda 19 less ...