Overview

The UPSC GS Paper I syllabus covers events from the 18th century onwards that significantly shaped the modern world. This topic spans the Industrial Revolution, major political revolutions (French, American, Russian), the unification of nation-states, two World Wars, the Cold War, decolonisation, and globalisation. Understanding these events is essential for answering questions on how they influenced India and the broader international order.

Chapters

#ChapterKey Topics
1Renaissance, Reformation & Scientific RevolutionItalian Renaissance, Protestant Reformation, Luther, Calvin, Copernicus, Galileo, Newton, impact on Europe
2Ottoman Empire — Rise & DeclineOttoman expansion, Suleiman the Magnificent, Tanzimat reforms, decline, WWI role, partition of Ottoman lands
3Colonialism, Imperialism & DecolonisationEuropean expansion, Scramble for Africa, colonial exploitation, independence movements, decolonisation wave 1945–1975
4Industrial Revolution & American RevolutionWhy Britain first, key inventions, impact on India, American independence
5French Revolution & Napoleonic EraThree Estates, Bastille, Terror, Napoleon, impact on Europe
6Unification of Italy & GermanyMazzini, Cavour, Garibaldi, Bismarck, Blood and Iron
7Great Depression & Interwar PeriodWall Street Crash 1929, Keynesian economics, New Deal, rise of totalitarianism, interwar instability
8World War I & Russian RevolutionMAIN causes, Treaty of Versailles, February & October Revolutions, Lenin
9Rise of Fascism/Nazism & World War IIVersailles (Article 231, $33B reparations), Weimar crisis, March on Rome 1922, Hitler Chancellor Jan 1933, Night of Long Knives 1934, Spanish Civil War, Operation Barbarossa, Pearl Harbor, Holocaust (Kristallnacht, Wannsee, 6M Jews), Hiroshima/Nagasaki, Nuremberg trials, Bretton Woods, Cold War origins
10Political Philosophies — Capitalism, Communism & FascismLiberalism, capitalism, Marxism, socialism, fascism, welfare state, Cold War ideological battle, contemporary relevance
11United Nations & Post-War World OrderUN formation, Bretton Woods, NATO, Non-Alignment Movement, UDHR, global governance
12Redrawal of National Boundaries & Post-War OrderParis Peace Conference, Treaty of Versailles, new states of Europe, partition of Ottoman Empire, Balfour Declaration, self-determination principle
13Cold War, Decolonisation & GlobalisationNATO vs Warsaw, proxy wars, decolonisation of Africa/Asia, EU, globalisation
14Chinese Revolution & Asian CommunismMao Zedong, Cultural Revolution, modern China, Korean War, Vietnamese struggle
15Arab Nationalism, African Liberation & Latin American RevolutionsPan-Arabism, African independence movements, Apartheid, Latin American revolutions, Che Guevara
16Collapse of the USSR & New World OrderGlasnost, Perestroika, fall of Berlin Wall, unipolar moment, globalisation, EU expansion