History, Modern 36 Modern History 36 World War, 1939-1945 35 History of Britain and Ireland 26 Great Britain—History 25 History of World War II and the Holocaust 23 European History 20 more ... Europe—History 19 Social History 17 Social history 17 History 16 Political History 15 World politics 15 History of Military 13 Military history 13 Political Science 13 Political science 13 Civilization—History 12 Cultural History 12 World History, Global and Transnational History 11 World history 11 International Relations 10 International relations 10 Sociology 10 History, general 9 Europe, Central—History 8 History of Germany and Central Europe 8 Social Policy 7 Social policy 7 America—History 6 less ...