European history History Modern history to 20th century: c 1700 to c 1900 6 History: earliest times to present day 5 Regional & national history 4 Social & cultural history 4 General & world history 3 Second World War 3 20th century history: c 1900 to c 2000 2 Asian history 2 Early modern history: c 1450/1500 to c 1700 2 History: specific events & topics 2 Medieval history 2 Biography & True Stories 1 Biography: general 1 Biography: science, technology & medicine 1 Colonialism & imperialism 1 Diaries, letters & journals 1 Economic history 1 Fascism & Nazism 1 Genocide & ethnic cleansing 1 History of engineering & technology 1 History of medicine 1 History of other lands 1 History of sport 1 History of the Americas 1 History: theory & methods 1 International relations 1 Local history 1 Military history 1