World History for UPSC Syllabus PYQPs (Mains) Category World History Notes Revolutions that Shaped the World Beginning of Modern Age American Revolution Industrial Revolution French Revolution Revolutionary Movements in Europe Russian Revolution Major Ideologies of the World Different Socio-Economic Systems Fascism and Nazism Imperialism and Colonialism USA: An Imperial Power Japan: An Imperial Power Rise of Nationalist Movements The World Wars Major Events Before World War I World War I League of Nations World Between 1918-39 World War II The World after 1945 Cold War Conflict in the Middle East Decolonization and Problems in Africa Latin America and Europe After 1945