Second World War 153 European history 75 History 58 c 1938 to c 1946 (World War Two period) 57 Modern warfare 52 The Holocaust 51 First World War 43 Europe 39 c 1940 to c 1949 39 History of medicine 34 Postwar 20th century history, from c 1945 to c 2000 32 20th century history: c 1900 to c 2000 28 History and Archaeology 23 c 1914 to c 1918 (World War One period) 23 Military history 20 General and world history 19 20th century, c 1900 to c 1999 17 Slovenia 17 Cultural studies 15 Asian history 14 Relating to Jewish people and groups 10 Social & cultural history 10 Social groups: religious groups and communities 10 Fascism & Nazism 9 Historiography 9 Later 20th century c 1950 to c 1999 9 Social and cultural history 9 Far-right political ideologies and movements 8 Oral history 8 Austria 7