World History

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S.No. Title Read Article
1 Great Depression: Causes, Impacts, and Global Responses View
2 Causes of World War II: Treaty of Versailles, Fascism, Depression, and Global Conflicts View
3 Impact Of World War II: Global Consequences and the Indian Perspective View
4 Colonisation: Causes, Global Impacts, and Deep Effects on India View
5 Decolonization: Causes, Challenges, and Global Impact of Ending Colonial Rule View
6 Cold War: Causes, Impact, Key Events & the End of a Global Rivalry View
7 Korean War: Causes, Major Events, and Lasting Impact on Global Politics View
8 Partition of Vietnam: Causes, Impacts, and Cold War Significance View
9 Suez Crisis 1956: Causes, Impacts, and Its Cold War Significance View
10 Cuban Crisis: The 1962 Standoff That Almost Triggered Nuclear War View
11 Collapse of Soviet Union: Causes, Events, and Global Impacts View
12 Capitalism: Features, Types, Benefits, and Criticisms View
13 Socialism: Meaning, Types, Features, Pros and Cons View
14 Communism: Meaning, Types, Impacts, and Criticisms Explained View
15 Feudalism, Renaissance, and Reformation: Transforming Medieval Europe View
16 Seven Years’ War: A Global Conflict That Reshaped the World Order View
17 Industrial Revolution: The Global Transformation That Reshaped Modern Society View
18 The American War of Independence: Timeline, Causes, and Impacts View
19 The French Revolution: Timeline, Causes, and Impact on the World View
20 Introduction to the Concept of Nation and State View

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UPSC Mains World History Notes 2025-26 Notes Download

UPSC World History Mains exam explores the global forces that shaped the modern world rather than just listing historical events. theIAShub's comprehensive World History Mains Notes fill this gap by combining concise summaries with insightful analysis and regular addition of current events. Candidates require a conceptual and analytical approach to the UPSC Civil Services Exam, and theIAShub’s UPSC Mains World History Notes 2025-26 provide just that. 

This article provides you with detailed and structured study material for the UPSC World History Mains exam. Go through all the notes topic-wise and strengthen your World History knowledge for the GS Paper I of the UPSC CSE.

Also Read: UPSC Environment Notes 2025-26

Why Prioritize UPSC Mains World History Notes 2025-26?

The UPSC Civil Services Exam requires an understanding of World History as it provides important context to today’s world. theIAShub’s notes focus on key events and shifts, like revolutions, world wars, colonialism, and social movements that have shaped societies across the globe. The UPSC Mains World History Notes 2025-26 help you prepare for GS Paper I by connecting facts to real-world situations and improving your score.

  • Essential for GS Paper I: World History provides the basis for understanding international relations, revolutions, and social change in a global perspective.
  • Applied Learning: To develop the analytical thinking that is highly regarded in UPSC answers, the syllabus requires looking at not only what happened but also why and how.
  • Strategy-Oriented Revision: Questions are broad in nature and focus on critical understanding rather than memorised facts, making clear, up-to-date notes crucial.

Also Read: UPSC Constitution Notes 2025–26

UPSC Mains World History Notes 2025-26

theIAShub’s study content for the UPSC Mains World History Notes 2025-26 is prepared by the expert faculty, which makes these notes stand out by making the complex topics more approachable and exam-focused. The World History Mains notes help you quickly grasp timelines and link connections between events. theIAShub’s UPSC Mains notes support candidates in developing both knowledge and exam skills.

  • Topic-wise Clarity: Each major event is presented as a storyline, with causes, key figures, consequences, and long-term global impact.
  • Regular Current Affairs: Recent global changes, historiographical debates, and new research are included for in-depth analysis.
  • Mind Maps & Revision Tools: Visual aids simplify the retention of complex revolutions, wars, and international events.

UPSC World History Mains Syllabus 2025

The UPSC World History syllabus plays a crucial role in forming a candidate’s understanding of the forces that have influenced the modern world. theIAShub’s notes highlight how this syllabus covers major events which are key to understanding the core of World History. All of these key topics and events are explained in detail to provide a structured approach to the World History syllabus

Major Area

Subtopics & Focus Areas

Industrial Revolution

Origins, causes, impact on society/economy, spread beyond Europe

Revolutions

French Revolution, Russian Revolution, American Revolution, Napoleonic Era

Political Philosophies

Capitalism, Socialism, Communism—their forms and societal effects

Unification Movements

Unification of Italy and Germany, European nationalism

Colonialism & Imperialism

Rise, process, impact in Asia/Africa/Latin America, the slave trade

World Wars

Causes, major events, outcomes, consequences, League of Nations, redrawal of boundaries

Cold War & Superpowers

Cold War, emergence of USA/USSR, bi-polar to uni-polar world, disintegration of USSR

Decolonization

Process, key regions, new challenges for Asia, Africa, Latin America

Modern Developments

Renaissance, Reformation, Age of Discovery, globalization

Also Read: UPSC Science and Technology Notes 2025-26

UPSC World History Mains PYQs & Revision Tools

In addition to reading notes, the preparation for the UPSC World History requires regular revision and practice of the UPSC World History PYQs. theIAShub’s World History Mains Notes provides practical assessment and memory aid tools:

  • MCQs: Topic-based MCQs help check understanding and prepare for Prelims and Mains exam patterns.
  • PYQs and Model Answers: Include PYQs, along with model answers, to serve as a guide to help craft well-written responses.
  • Revision Cards: short summaries of key facts and dates for quick last-minute review and recap.
  • Self-Assessment: Short questions and visual aids like flowcharts to simplify tough topics.

Also Read: UPSC Indian Polity Notes 2025-26

UPSC World History Preparation Tips

World History is one of the high-scoring subjects in the GS Paper I for the UPSC CSE. Prepare for the UPSC Mains section by exploring flowcharts, current case studies, and the PYQs from theIAShub’s World History notes. Here are a few tips to prepare for the UPSC Mains stage with the help of UPSC Mains World History Notes 2025-26:

  • Connect the dots: Relate world events to Indian reforms, freedom movement, or present-day diplomacy.
  • Practice answer writing: Regularly simulate Mains answers using theIAShub’s model questions and check model answers.
  • Update with new developments: World History is affected by reinterpretations and global shifts—keep notes current.
  • Use tables and maps: Visual learning helps in revising boundaries, key events, and timelines efficiently.

Also Read: UPSC Modern History Notes 2025-26

Excel in the UPSC World History with the help of theIAShub’s UPSC Mains notes. The UPSC World History Mains notes provide you a clear and systematic approach to the UPSC CSE. Master the World History subject by analysing the causes and consequences, as well as with the help of visual aids provided in theIAShub notes.

UPSC Mains World History Notes 2025 FAQs

Focus on comparative aspects of how global events influenced India and vice versa. Use recent examples or analogies to highlight continuity and change.

Yes, the UPSC Mains World History Notes 2025-26 explain in detail about the World War causes, major events, outcomes, etc.

Yes, with structured explanations and integrated examples, the notes support aspirants in framing balanced, logical answers.

Yes, theIAShub’s World History notes often feature timelines and concise charts, helping visualise and connect major events, reforms, and movements across different periods for better retention.

While theIAShub’s Prelims notes provide the foundation, expand upon them for Mains. Use theIAShub’s World History Mains notes, as it carries timelines, comparative perspectives, and case studies.

Review every quarter, focusing on revising PYQs, recent world events, and integrating any new information from global developments or UPSC notifications.

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The UPSC Civil Services Exam has three parts:

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  • Mains: It has nine papers, including essays and optional subjects.
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The classroom centre is located in Delhi. Students can visit and join offline batches there.

IAShub gives interview guidance sessions to help students prepare for the final round of UPSC.