World War, 1914-1918 History 370 Foreign relations 123 Politics and government 104 Guerre mondiale, 1914-1918 100 Campaigns 96 Histoire 63 more ... Causes 58 Diplomatic history 50 History, Military 49 Diplomatic relations 45 International relations 45 Social conditions 43 World War I (1914-1918) 43 Military and naval history 37 Military campaigns 37 Generals 34 Armed Forces 32 Prisoners of war 27 History - 20th century 22 Prisoners and prisons, Russian 22 War 22 Relations extérieures 21 History-Military 20 Officers 20 Regimental histories 20 Soldiers 20 History of Russia. Soviet Union. Former Soviet Republics 18 Weltkrieg 18 Campagnes et batailles 17 less ...