World history History 24 Civilization 16 Human ecology 7 Human beings 6 Imperialism 6 Globalization 4 International relations 4 World politics 4 ചരിത്രം 4 Chronology, Historical 3 Culture diffusion 3 Intercultural communication 3 Renaissance 3 Technology and civilization 3 20th century 2 Biocomplexity 2 Complexity (Philosophy) 2 Diseases and history 2 Economic history 2 HISTORY / Historiography 2 Historiography 2 History, Modern 2 Human evolution 2 International economic relations 2 Nature 2 Revolution 2 Study 2 World war 2 15.50 general world history; history of great parts of the world, peoples, civilizations: general 1