MAPS OF HISTORY · IB HISTORY · THE AGE OF REVOLUTIONS
IB HISTORY · 1775 – 1848 · 12 CHAPTERS
IB History: The Age of Revolutions — notes, maps and essay questions
Boston, the Bastille, and the barricades of 1848: the seventy years in which the modern political map — and the modern citizen — were invented.
IB notes for this atlas are in preparation. Meanwhile, this page gathers the study notes every one of its 12 chapters already carries: why each episode happened, the moment it turned on, what it changed, and the question historians still argue about. It also shows where the atlas fits the IB course.

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Where it fits the course
The atlas is filed under Paper 2 (Popular Movements) and Paper 3 for Higher Level (Europe and the Americas). Its IB notes, with evidence lists, primary sources and model essay plans, are in preparation. These are the IB History pages for the parts of the course it serves:
Why it began
The opening chapters offer explanations for how this story began. Their arguments about the causes appear here in a few sentences each, ready to test against your own reading.
Chapter 1: The World of 1775
Paying for an empire. Britain’s victory in 1763 left it with the world’s biggest empire and biggest debt, as well as a new American frontier to garrison. Ministers could reasonably ask those protected by its troops to contribute to their cost. Colonial assemblies, however, had voted taxes for 150 years. The attempt to raise revenue therefore put the question of representation before the colonies: who had the authority to require payment? War debt and fiscal reform will bring France to another crisis in Chapter 3.
Readers and the language of rights. Locke, Montesquieu and Rousseau gave political arguments an influential body of theory. Print helped carry those arguments to readers: colonial literacy was among the highest in the world, and printers such as Franklin made political writing widely available. The “rights of Englishmen” and, later, the “rights of man” supplied terms in which people could make claims on their governments.
An empire sustained by slavery. About one in five people in British America was enslaved; in the sugar islands the proportion was about nine in ten. Plantation wealth supported an imperial world that maintained navies and circulated pamphlets. A declaration about “all men” would have to meet the fact that these societies depended on enslaved labor. In Chapter 5, enslaved people force that question upon the Atlantic world.
The people beyond the line. The Proclamation Line of 1763 sought to keep settlers off Native land and preserve peace at less cost. Colonial speculators, including Washington, resented the restriction. For the Six Nations, the Cherokee and many other nations, the same line offered some restraint on settlers. A movement to free the colonies from British authority could remove that restraint, with very different consequences for the people whose land settlers wanted.
Chapter 2: The American Revolution
The Atlantic and the cost of reconquest. An army fighting 3,000 miles from Britain depended on men and supplies sent by sail; an order and its answer could take three months. Distance raised costs and slowed decisions, but it became a serious burden because resistance continued. The rebels needed to keep their army and movement alive until the expense of reconquest weakened London’s will and credit.
The French decision. Vergennes arranged covert arms for the rebels from 1776, and most of the gunpowder at Saratoga was French. France wanted revenge for its defeat in 1763, yet open war exposed its own resources and possessions. The alliance of February 1778 brought a French fleet and army into the struggle and stretched British resources across a global war. France’s estimated expenditure of 1.3 billion livres would add to the debt behind its own crisis.
Resistance beyond the garrison. Colonial armed communities and self-governing institutions had a century of experience. Britain captured New York, Philadelphia and Charleston, but its garrisons could not exercise the same power everywhere beyond them. Assemblies, committees and militias could sustain or rebuild local resistance. A captured city gave Britain a foothold; it did not by itself restore rule over the surrounding population.
Chapter by chapter
These entries trace the atlas through 12 chapters, identifying the causes and turning point of each. Select a title to open its free chapter page, where the full explanation, a discussion question and the map appear together.
1. The World of 1775
CHAPTER 1 · 1763–1775
Why it happened: Paying for an empire · Readers and the language of rights · An empire sustained by slavery · The people beyond the line
The turning point: Boston harbor, 16 December 1773.
2. The American Revolution
CHAPTER 2 · 1775–1783
Why it happened: The Atlantic and the cost of reconquest · The French decision · Resistance beyond the garrison
The turning point: Saratoga, 17 October 1777.
3. The French Revolution
CHAPTER 3 · 1789–1792
Why it happened: The cost of war and credit · The problem of privilege · Bread and the harvest · The American example
The turning point: The Bastille, 14 July 1789.
4. The Republic in the Balance
CHAPTER 4 · 1792–1795
Why it happened: War and suspicion · Faith, conscription and war in the Vendée · Wartime control of the economy
The turning point: Valmy, 20 September 1792.
5. The Haitian Revolution
CHAPTER 5 · 1791–1804
Why it happened: A plantation society in revolt · An opening in a divided colony · Emancipation and the war · The fever season
The turning point: Vertières, 18 November 1803.
6. Napoleon Ascendant
CHAPTER 6 · 1796–1807
Why it happened: An army made by revolution · Enemies who fought separately · The appeal of order · Britain’s command of the sea
The turning point: Austerlitz, 2 December 1805.
7. The Empire and Its Cracks
CHAPTER 7 · 1807–1812
Why it happened: Economic war without an exit · Bayonne: legitimacy fumbled · Insurgency plus sea power
The turning point: Bailén, 19 July 1808.
8. 1812: The Russian Campaign
CHAPTER 8 · 1812
Why it happened: Logistics against arithmetic · Scorched earth and the refused battle · An empire of conscripted allies · Winter was the finisher, not the cause
The turning point: Moscow, September–October 1812.
9. The Fall
CHAPTER 9 · 1813–1815
Why it happened: The coalition learned to cooperate · Mobilization against Napoleon · France’s resources ran down
The turning point: Leipzig, 16–19 October 1813.
10. Latin America Breaks Free
CHAPTER 10 · 1810–1825
Why it happened: A crisis at the imperial center · Creole grievances and divided aims · Riego’s mutiny · British interests and American campaigns
The turning point: Ayacucho, 9 December 1824.
11. The Age of Restoration
CHAPTER 11 · 1815–1847
Why it happened: The fear behind restoration · A changing economy · National movements in exile · Why Greece was different
The turning point: Paris, 27–29 July 1830.
12. 1848: The Springtime of Peoples
EPILOGUE · 1848–1849
Why it happened: Hunger and unemployment · Demands left unresolved · News travels quickly · The armies regroup
The turning point: Paris, 22–24 February 1848.
Essay questions, argued
Historians still debate the question at the end of each chapter. Before reading our brief answer, try making a plan for how you would answer it.
DISCUSSION QUESTION · CHAPTER 1
Was the American crisis really about taxes, when the tea duty amounted to only a few pence?
The amount was small, but both sides understood the decision as a precedent. Parliament claimed power to legislate for the colonies in all cases; colonial opponents held that their own representatives had to consent to taxes. Ministers feared that giving way would weaken imperial authority, while colonists feared that accepting the duty would leave future taxation without a limit. War debt brought the demand for revenue; assemblies and print helped colonists organize resistance. The resulting crisis concerned who could rightfully govern, as well as who should pay.
The chapter behind it: The World of 1775. Every chapter’s question is on the discussion questions page.
DISCUSSION QUESTION · CHAPTER 5
What made Haiti a demanding test of the revolutionary claim to universal freedom?
Universal freedom had a severe material consequence in Saint-Domingue: it destroyed claims to the plantation property that supported French wealth and white power. American leaders preserved slavery, and French revolutionaries abolished it under pressure before Napoleon restored it where he could. Haitians made emancipation a condition of their state's survival. Other slaveholding powers responded by isolating the country whose revolution had put freedom into effect.
The chapter behind it: The Haitian Revolution. Every chapter’s question is on the discussion questions page.
DISCUSSION QUESTION · CHAPTER 9
Was the Congress of Vienna a masterpiece of statecraft or a conspiracy against the future?
The answer depends on what we ask the settlement to accomplish. Vienna’s negotiators wanted to restrain rivalry among the great powers. They balanced states, eventually reintegrated France and encouraged consultation, helping prevent general war for decades. On that measure their work was successful. But many national and constitutional demands received little weight, and later intervention protected rulers against their subjects. Peace among governments left the question of who should govern within them unresolved.
The chapter behind it: The Fall. Every chapter’s question is on the discussion questions page.
DISCUSSION QUESTION · CHAPTER 12
“1848: the turning point at which modern history failed to turn.” How far is that verdict justified?
The verdict captures the immediate outcome: revolutionary governments fell, liberal national unification by consent failed, and restored armies prevailed. But the rulers who recovered power did not recover an unchanged society. Serfdom ended across much of Central Europe, several constitutions survived, and mass electoral politics remained in France. Within a generation, rulers and armies pursued Italian and German unification by methods very different from those envisaged at Frankfurt. The revolutionaries lost control of states, yet governments still had to answer questions about nations, constitutions and social provision.
The chapter behind it: 1848: The Springtime of Peoples. Every chapter’s question is on the discussion questions page.
What it changed
Consequence questions need the end of the story. The final chapter, 1848: The Springtime of Peoples, sets out what the period left behind:
Changes that endured. Restored rulers recovered authority without reversing everything that had happened. The abolition of serfdom affected more than forty million people across much of Central Europe. Piedmont and Prussia kept constitutions, while Denmark, the Netherlands and Switzerland retained constitutional changes; Switzerland’s 1848 federal constitution continued in amended form. France retained universal male suffrage, and several states kept parliaments. Rulers could recover powers they had conceded while preserving reforms that weakened feudal obligations or changed administration.
Unification by other means. Frankfurt’s delegates had tried to unite Germany through constitutional deliberation. Their failure left the national ambition alive, but others would pursue it differently. Within 23 years Cavour and Bismarck helped build Italy and Germany through monarchy, diplomacy and war. Bismarck had opposed the revolution as a young Prussian conservative in 1848. National unification answered one revolutionary demand; whether it was a delayed victory or a defeat also depends on the importance given to the liberals’ hopes for how it should be achieved.
Exiles carry the arguments abroad. Revolutionaries carried their arguments into exile. Kossuth toured the United States, Mazzini continued to plot, and Carl Schurz became a Union general. An estimated quarter-million Forty-Eighters reached the United States, though the size of that migration is disputed. Marx, a German journalist, worked in London and the British Museum; his interpretation of bourgeois revolution would influence later movements. Defeat scattered these people, but did not end their political work.
The age in the balance. From Lexington to Világos, the conflicts in this atlas cost several million lives. They also helped leave republics as an established form of government, slavery abolished or challenged across much of the hemisphere, declarations of rights as a constitutional model, and national statehood as a goal for peoples without a state. These gains and the deaths belong in the same account. How should we weigh them against the violence through which they emerged?
Revision tools
The atlas ends with a map quiz that asks you to find places and moments on the map itself (part of every plan from Starter up). The quick quiz and the discussion questions with our answers are free pages on this site, and the printable study guide gathers every chapter’s notes into one document for revision.
Read next
- Haiti, from slave revolution to independence · TWO ROADS TO INDEPENDENCE
- The Industrial Revolution, 1750–1914 · THE INDUSTRIAL REVOLUTION
Maps of History is independent and is not affiliated with or endorsed by the International Baccalaureate Organization. IB course names describe alignment only; paper, theme and section names follow the new course outline and may change when the final guide is published.
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