African history Colonialism & imperialism 7 European history 6 General & world history 5 Humanities 5 Asian history 4 Gender studies, gender groups 4 Social & cultural history 4 20th century history: c 1900 to c 2000 3 History of other lands 3 History of the Americas 3 Modern history to 20th century: c 1700 to c 1900 3 The Cold War 3 Ancient history: to c 500 CE 2 Ancient religions & mythologies 2 Classical Greek & Roman archaeology 2 Cultural studies 2 East Africa 2 Economics 2 International relations 2 Military history 2 Political structure & processes 2 Politics & government 2 Population & demography 2 Postwar 20th century history, from c 1945 to c 2000 2 Social & cultural anthropology, ethnography 2 20th century 1 21st century history: from c 2000 - 1 Africa 1 African American history 1