History 121 World War, 1939-1945 Campaigns 61 Holocaust, Jewish (1939-1945) 12 Atrocities 11 Histoire 10 Jews 10 more ... Underground movements 10 Regimental histories 9 Persecutions 8 Collaborationists 7 Ethnic relations 6 Guerre mondiale, 1939-1945 6 Social conditions 6 Military campaigns 4 Stalingrad, Battle of, Volgograd, Russia, 1942-1943 4 War 4 Armed Forces 3 Britain, Battle of, Great Britain, 1940 3 Causes 3 Foreign relations 3 Guerrillas 3 Mouvements de résistance 3 Politics and government 3 Sino-Japanese War, 1937-1945 3 Aerial operations 2 Anti-fascist movements 2 Economic aspects 2 History, Military 2 Jewish resistance 2 less ...