IB History — Study Hub
Your complete study hub for IB History. Free notes, flashcards, and exam-style practice for Paper 1 source analysis and the Paper 2 world-history topics — from the prescribed subjects to authoritarian states, the World Wars, and the Cold War.
What is IB History?
IB History is a Group 3 (Individuals and Societies) subject that studies the past through evidence — asking not only what happened, but how we know, whose account we trust, and why interpretations differ. It rewards students who argue with precise knowledge, engage with historians’ debates, and reach a clear, supported judgement rather than simply narrating events.
The course is built around two examined papers. Paper 1 is a source-based investigation on one prescribed subject: you comprehend written and visual sources, assess their value and limitations by origin, purpose and content (OPVL), compare and contrast two sources, and use the sources with your own knowledge to answer a mini-essay. Paper 2 is a comparative essay paper drawn from the world-history topics, where you answer two essays across different regions and periods.
Aimnova covers the most-taught routes through the syllabus: the Paper 1 prescribed subjects — military leaders (Genghis Khan and Richard I), conquest and its impact, the move to global war, rights and protest, and conflict and intervention — and the Paper 2 world-history topics, from society and economy (750–1400) and medieval warfare through industrialization, independence movements, democratic and authoritarian states, the 20th-century wars, and the Cold War.
Subject Group
Group 3
Available Levels
SL & HL
Teaching Hours
150 (SL) · 240 (HL)
Exam Papers
Paper 1 · Paper 2 · IA
IB History Assessment
Paper 1 — Source analysis
30% (SL) · 20% (HL)1hA structured source-based paper on one prescribed subject. Four questions test comprehension of a source, an OPVL analysis of a source’s value and limitations (origin, purpose and content), a compare-and-contrast of two sources, and a mini-essay that combines the sources with your own knowledge to reach a judgement.
Paper 2 — World history
45% (SL) · 25% (HL)1h 30mTwo comparative essays chosen from the world-history topics — society and economy, medieval and 20th-century wars, industrialization, independence movements, democratic states, authoritarian states, and the Cold War. Each essay is marked on a focused argument, accurate and detailed support drawn from more than one region, and analytical judgement.
Internal Assessment — Historical investigation
25% (SL) · 20% (HL)A 2,200-word historical investigation on a question of your choice, structured as an evaluation of sources, an investigation, and a reflection on the methods and limitations of the historian. The same task at SL and HL.
IB History Syllabus — Paper 1 & Paper 2 Topics
Unit 1: Paper 1 · Military leaders
Unit 12: Paper 2 · Origins, development and impact of industrialization (1750–2005)
Unit 13: Paper 2 · Independence movements (1800–2000)
Unit 14: Paper 2 · Emergence and development of democratic states (1848–2000)
Unit 15: Paper 2 · Authoritarian states (20th century)
Unit 16: Paper 2 · Causes and effects of 20th-century wars
Unit 17: Paper 2 · The Cold War: Superpower tensions and rivalries (20th century)
Unit 2: Paper 1 · Conquest and its impact
Unit 3: Paper 1 · The move to global war
Unit 4: Paper 1 · Rights and protest
Unit 5: Paper 1 · Conflict and intervention
Unit 6: Paper 2 · Society and economy (750–1400)
Unit 7: Paper 2 · Causes and effects of medieval wars (750–1500)
Free IB History Study Resources
Study Notes
Topic-by-topic notes for Paper 1 and Paper 2
Flashcards
Spaced-repetition dates, terms and case studies
Question Bank
Source questions and essay practice by topic
Exam Skills
OPVL, compare-contrast and essay mark schemes
Revision Guide
Topic breakdown and a revision timeline
Command Terms
IB command term definitions
Frequently Asked Questions about IB History
How is IB History assessed?
IB History has two examined papers plus coursework. Paper 1 is a source-based analysis on one prescribed subject (30% at SL, 20% at HL). Paper 2 is two world-history comparative essays (45% at SL, 25% at HL). The internal assessment is a 2,200-word historical investigation (25% at SL, 20% at HL). HL students also sit an additional Paper 3 regional depth study.
What is the difference between IB History SL and HL?
SL and HL sit the same Paper 1 and Paper 2 and complete the same historical investigation. HL adds a third exam, Paper 3, a regional depth study in which HL students answer three essays on their chosen region, and studies more content across the year (240 teaching hours versus 150). Aimnova currently covers the shared SL Paper 1 and Paper 2 content.
What is OPVL and why does it matter?
OPVL — origin, purpose, value and limitations — is the framework for the Paper 1 third question, where you evaluate a source’s value and limitations to a historian. Strong answers explain how a source’s origin and purpose make it useful for some things and limited for others, rather than simply labelling it "biased". It is the single most reliable place to gain or lose Paper 1 marks.
How many case studies do I need for Paper 2?
Paper 2 essays reward specific, contrasting examples from more than one region. For each world-history topic you should hold two or three detailed case studies — for example, two authoritarian leaders, two 20th-century wars, or two independence movements — so you can build a comparative argument whatever the question asks.
How do I get a 7 in IB History?
Master the command terms — especially "evaluate", "examine", "compare and contrast" and "to what extent" — and finish every essay with a justified judgement, not a summary. Learn precise dates, names and figures for each case study, practise the four Paper 1 question types until OPVL and compare-contrast are automatic, and weave historians’ interpretations into your Paper 2 essays.
Start studying IB History for free
Notes, flashcards, and AI-powered practice for Paper 1 source analysis and every Paper 2 world-history topic, all aligned to the IB History syllabus.
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