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5.7 The Congress of Vienna

🇪🇺AP European History
Unit 5 Review

5.7 The Congress of Vienna

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025
🇪🇺AP European History
Unit & Topic Study Guides
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What Was the Congress of Vienna?

The Congress of Vienna (1814–1815) was a diplomatic conference of Europe’s major powers held in the aftermath of the Napoleonic Wars. It was a conservative reaction to the French Revolution and Napoleon’s rise—a moment when monarchs and aristocrats sought to restore the old order that had been upended by Enlightenment ideas, revolutionary upheaval, and nationalist movements.

Their goal? To re-establish peace, restore traditional monarchies, and contain liberalism and nationalism, which were seen as existential threats to stability and order.

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Leading Figures and the Balance of Power

Prince Klemens von Metternich 🇦🇹

At the heart of the Congress was Klemens von Metternich, the conservative Austrian foreign minister and later Chancellor. He became the chief architect of the post-Napoleonic order and believed that liberalism and nationalism were dangerous ideologies that must be suppressed.

“When France sneezes, Europe catches a cold.” – Metternich's famous quote reflects how revolutionary ideas spreading from France were viewed as contagion.

Metternich’s aims included:

  • Restoring legitimate monarchs who had been deposed.
  • Creating a balance of power so no single state could dominate Europe again.
  • ==Suppressing revolutions and radical ideologies, especially liberalism and nationalism.==

The Quadruple Alliance and Other Key Players

The Congress was dominated by the Quadruple Alliance:

  • Austria (Metternich)
  • Britain (Lord Castlereagh)
  • Russia (Tsar Alexander I)
  • Prussia (Karl August von Hardenberg)

France, though defeated, was allowed to participate under the moderate voice of Talleyrand, ensuring that the postwar settlement would not provoke French revenge.

Territorial Restructuring of Europe

The Congress redrew Europe’s borders to contain France and reward the victorious powers:

  • France was restored to its 1792 borders but was treated leniently to avoid future hostility.
  • Poland became a puppet state of Russia (Congress Poland).
  • Prussia gained territory in the Rhineland, strengthening it as a buffer against France.
  • The Austrian Netherlands merged with Dutch territory to form the Kingdom of the Netherlands.
  • Italy was re-divided and placed under conservative monarchies, such as the restoration of the Papal States and the Kingdom of Piedmont-Sardinia.
  • Germany was loosely reorganized into the German Confederation, dominated by Austria.

⭐ Although borders were restored, many newly awakened national identities like those in Germany, Italy, and Poland were ignored or repressed, planting seeds for future unification movements.**

Political Ideology and Reaction

Conservatism vs. Liberalism

The Congress of Vienna was a conservative backlash to the liberal and nationalist waves sparked by the Enlightenment and the French Revolution. It aimed to reinforce monarchical rule, traditional hierarchies, and religious authority.

  • Liberalism, with its calls for constitutional government, civil liberties, and voting rights, was suppressed.
  • Nationalism, which emphasized shared language, culture, and history as the basis for self-rule, was seen as destabilizing to multiethnic empires like Austria and Russia.

To uphold this order, the Congress promoted:

  • The Principle of Legitimacy – restoring rightful monarchs to power.
  • The Principle of Intervention – allowing great powers to intervene in other countries to suppress revolution.

Holy and Quadruple Alliances

  • The Holy Alliance (Russia, Austria, Prussia) aimed to preserve Christian morality and crush revolutionary movements.
  • The Quadruple Alliance maintained military cooperation and ensured enforcement of Congress settlements, including responding to any French aggression.

Consequences and Legacy

✅ Short-Term Success

  • The Congress prevented major European war for nearly 100 years, until World War I.
  • Created a balance of power that allowed diplomacy to manage conflicts.

❌ Long-Term Failure

  • By suppressing liberal and nationalist movements, the Congress delayed but did not eliminate the forces unleashed by the French Revolution.
  • Rising nationalist sentiment in Italy, Germany, and Eastern Europe would eventually erupt in the Revolutions of 1848 and lead to unification movements in the second half of the 19th century.
  • Conservative rulers, backed by the Congress system, often rejected reforms, leading to discontent, unrest, and revolution.

⭐ The Congress of Vienna tried to turn back the clock, but liberalism and nationalism were forces that could not be permanently repressed**

Quick Review: Goals vs. Results of the Congress of Vienna

Congress GoalWhat They DidOutcome
Restore monarchyReinstated legitimate rulers in France, Spain, and Italian statesMonarchy restored, but resentment grew
Create balance of powerRedrew map to limit French expansionPeace preserved, but seeds of conflict planted
Suppress liberalism & nationalismFormed Holy and Quadruple Alliances, censored revolutionsDelayed reforms, but couldn’t stop the spread of new ideas
Ensure long-term peaceAvoided major war for a centuryBut set stage for 1848 Revolutions and nationalist unification movements

Big Picture: Why It Matters

The Congress of Vienna was Europe’s conservative reaction to the revolutionary age. It tried to freeze history in place by reinforcing monarchs and silencing liberal thought—but in doing so, it inadvertently created the conditions that would fuel future revolutions, from the 1848 uprisings to the eventual unifications of Italy and Germany.

While the Congress succeeded in short-term diplomacy and stability, it ultimately couldn’t stop the rise of modern nation-states and democratic aspirations, ideas the French Revolution had already set in motion.

🎥 Watch: AP Europe - Congress of Vienna

Vocabulary

The following words are mentioned explicitly in the College Board Course and Exam Description for this topic.

TermDefinition
balance of powerA principle of international relations in which no single state or coalition becomes dominant enough to threaten the independence of others, maintained through strategic alliances and territorial arrangements.
Congress of ViennaThe 1814-1815 diplomatic conference where European powers negotiated the post-Napoleonic settlement to restore political stability and redraw the map of Europe.
Napoleonic ruleThe period of European history dominated by Napoleon Bonaparte's military conquests and authoritarian governance, characterized by the spread of French power and influence across the continent.
nationalistic upheavalsSudden political or social disturbances driven by nationalist sentiment and the desire of peoples to establish independent nation-states or assert national identity.
revolutionary upheavalsSudden, violent political or social changes that overturn existing systems of government or society, often inspired by Enlightenment ideals or nationalist movements.

Frequently Asked Questions

What is the Congress of Vienna and why did it happen?

The Congress of Vienna (1814–1815) was a meeting of major European powers (led by Metternich of Austria, Castlereagh of Britain, Talleyrand of France, and Tsar Alexander I) that reorganized Europe after Napoleon’s defeat. Its goals were to restore legitimate monarchies (Bourbon Restoration), redraw borders to create buffer states (like Congress Poland) and a balance of power so no single state could again threaten the continent, and to impose indemnities where appropriate. The settlement created the Concert of Europe and conservative policies (Holy Alliance) to contain revolutionary or nationalistic upheaval. For AP Euro, link this to Unit 5 Learning Objective H: how states responded to Napoleonic rule and the consequences (territorial settlements, legitimacy, and long-term conservatism vs. rising nationalism). If you want a tight topic review, check the Congress of Vienna study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and hit practice questions (https://library.fiveable.me/practice/ap-european-history) to prep for exam-style prompts.

What happened at the Congress of Vienna in 1814-1815?

The Congress of Vienna (1814–1815) was a diplomatic meeting where European powers—led by Austria’s Klemens von Metternich, Britain’s Robert Stewart Castlereagh, France’s Charles Maurice de Talleyrand, and Russia’s Tsar Alexander I—reorganized Europe after Napoleon. They applied the principles of legitimacy (restoring old dynasties like the Bourbon Restoration) and balance of power to prevent any single state from dominating. Major outcomes: territorial settlements (creation of buffer states and Congress Poland), indemnities and limits on France, and a conservative diplomatic system called the Concert of Europe. Russia, Austria, Prussia, and Britain later formed the Holy Alliance/Concert to contain revolutionary or nationalistic upheaval. The settlement aimed to stabilize Europe and roll back revolutionary change, shaping 19th-century conservatism and future conflicts over nationalism. For AP review, focus on causes, key figures, terms (balance of power, legitimacy, Concert of Europe), and consequences—see the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and more unit resources (https://library.fiveable.me/ap-european-history/unit-5). Practice questions: (https://library.fiveable.me/practice/ap-european-history).

Why did European powers want to stop Napoleon so badly?

They wanted to stop Napoleon because his rule threatened the balance of power, traditional legitimacy, and the conservative order Europe’s monarchs relied on. Napoleon expanded French territory, spread revolutionary ideas (nationalism, legal reforms), and installed relatives on thrones—undermining dynastic legitimacy and inspiring unrest. Winning powers (Britain, Austria, Prussia, Russia) feared one state dominating the continent and other revolutions, so after 1814–15 they prioritized restoring legitimate monarchs (Bourbon Restoration), creating buffer states, and building the Concert of Europe to contain future upheavals. Understanding this helps with AP Unit 5 Learning Objective H: explain state responses to Napoleonic rule and consequences like conservatism and territorial settlements (Congress Poland, indemnities). For a focused review, see the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and Unit 5 overview (https://library.fiveable.me/ap-european-history/unit-5). Practice questions are at (https://library.fiveable.me/practice/ap-european-history).

How did the Congress of Vienna try to prevent future revolutions?

After Napoleon, the Congress of Vienna (1814–1815) tried to prevent future revolutions by restoring old regimes and building a conservative international order. Leaders like Metternich pushed the legitimacy principle—restoring Bourbon and other dynasties—to undercut revolutionary claims. They redrew Europe to restore a balance of power (buffer states like the Netherlands, Piedmont in Italy, and strengthened Prussia/Austria) so no single state could dominate. The Concert of Europe and alliances (including the Holy Alliance) created diplomatic mechanisms to manage crises and intervene diplomatically—or sometimes militarily—against revolutionary or nationalist uprisings. Rulers also used conservatism at home: censorship, policing, and indemnities to discourage unrest. These moves directly respond to CED Topic 5.7 and Learning Objective H (contain revolutionary or nationalistic upheavals). For a focused review, see the Congress of Vienna study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and practice questions (https://library.fiveable.me/practice/ap-european-history).

What's the difference between the Congress of Vienna and the Treaty of Versailles?

They’re both big diplomatic settlements, but different goals, eras, and methods. The Congress of Vienna (1814–15) was conservative: great powers (Metternich, Castlereagh, Alexander I, Talleyrand) restored legitimacy, rewrote borders to create buffer states, and built the Concert of Europe to maintain the balance of power and contain revolutionary/nationalist upheaval (CED keywords: balance of power, legitimacy principle, Concert of Europe). It aimed for stability after Napoleon. The Treaty of Versailles (1919) ended World War I with a very different logic: it punished Germany with territorial losses, reparations, military limits, and the League of Nations—mixing self-determination rhetoric with punitive measures. Versailles reshaped empires and fostered grievances that affected the 20th century. For AP tasks: you’d compare aims (restoration vs. punitive settlement), outcomes (long-term stability vs. mixed stability and resentment), and mechanisms (concert diplomacy vs. treaty terms + international organization). For a quick topic review, see the Congress of Vienna study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and try practice questions (https://library.fiveable.me/practice/ap-european-history).

Who were the main leaders at the Congress of Vienna and what did each country want?

The main leaders were Klemens von Metternich (Austria), Viscount Castlereagh (Britain), Charles-Maurice de Talleyrand (France), and Tsar Alexander I (Russia). Metternich wanted legitimacy, the restoration of conservative monarchies, a balance of power that kept Austria dominant in Central Europe, and buffer states to block French expansion. Castlereagh aimed to prevent another French threat by enforcing a European balance of power, protecting British naval/trade interests, and keeping a stable status quo. Talleyrand worked to restore France’s great-power status (and the Bourbon Restoration) by playing the powers against each other to limit French penalties. Alexander pushed for territorial gains (influence over Poland/Congress Poland) and moral-political order (later the Holy Alliance). The Congress produced territorial settlements, indemnities, the Concert of Europe, and a conservative order—exactly the stuff the AP CED wants you to link to balance-of-power, legitimacy, and containment of revolutionary/nationalist upheaval. For a quick Topic 5.7 review, see the Fiveable study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and practice questions (https://library.fiveable.me/practice/ap-european-history).

What does "balance of power" mean in the context of the Congress of Vienna?

At the Congress of Vienna, “balance of power” meant arranging Europe so no single state could dominate the continent again. Diplomats (Metternich, Castlereagh, Talleyrand, Tsar Alexander I) redrew borders, restored legitimate monarchs, and created buffer states (e.g., strengthened Netherlands, Prussia, and Kingdom of Sardinia) to check France and the Habsburgs. The goal was political stability and containment of revolutionary/nationalist upheaval—part of the legitimacy principle and the broader Concert of Europe system that enforced settlements diplomatically. For the AP exam, understand this as a conservative, state-centered response to Napoleonic disruption (CED KC-2.1.V.D); it’s a common short-answer/LEQ/DBQ topic about post-1815 order and its consequences. For a quick refresher use the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and practice questions (https://library.fiveable.me/practice/ap-european-history).

I'm confused about how the Congress of Vienna actually restored stability in Europe - can someone explain?

The Congress of Vienna restored stability by rolling back revolutionary upheaval and creating a system to prevent future large-scale war. Delegates (Metternich, Castlereagh, Talleyrand, Tsar Alexander I) used three main tools: legitimacy (restoring Bourbon monarchies), balance of power (redrawing borders and creating buffer states like the Kingdom of the Netherlands and restored Piedmont to contain France), and compensation/indemnities for victorious powers. They set up the Concert of Europe and agreements like the Holy Alliance to manage diplomacy and suppress revolutionary or nationalist uprisings—promoting conservatism and order across Europe. That didn’t erase nationalism or liberalism, but it did produce about 30 years of relative peace (1815–1848). For AP practice, connect this to Unit 5 LO H (consequences of reaction to Napoleon) and use the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW). For more practice questions, try Fiveable’s practice bank (https://library.fiveable.me/practice/ap-european-history).

What were the long-term consequences of the decisions made at the Congress of Vienna?

The Congress of Vienna (1814–1815) set up several long-term consequences you should know for AP Euro. It restored legitimacy by reinstating many monarchs and created territorial settlements (e.g., Congress Poland, buffer states) to maintain a balance of power so no single state could dominate Europe. Metternich’s conservatism shaped the Concert of Europe and the Holy Alliance, which coordinated diplomats to contain revolutionary and nationalistic upheaval—this kept relative peace until the revolutions of 1848. Economically, indemnities and restored boundaries slowed some change, but politically the settlement unintentionally preserved the ideas of 1789: nationalism and liberalism kept growing and later fueled 19th-century revolutions and unifications. For AP essays, this ties directly to Learning Objective H (responses to Napoleonic rule) and is great evidence for LEQs/DBQs. Review the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and practice questions (https://library.fiveable.me/practice/ap-european-history).

How do I write a DBQ essay about the Congress of Vienna's effectiveness?

Start with a clear evaluative thesis that answers “how effective?” (e.g., “Partly effective: it restored a conservative order and balance of power but suppressed nationalism and liberalism only temporarily”). Contextualize briefly: fall of Napoleon, desire for balance of power, Metternich’s conservatism, Bourbon Restoration. During the 15-minute DBQ reading period, group the seven documents into 2–3 argument strands (territorial settlement/buffers and balance of power; legitimacy and restoration; mechanisms for cooperation like the Concert/Holy Alliance). Use at least four documents to support each claim, and for two documents explain sourcing (purpose, audience, POV). Add at least one piece of outside evidence (Congress Poland, indemnities, buffer states like the Netherlands/Prussia gains). Show complexity by acknowledging short-term stability vs. long-term limits (rise of nationalism/1848). End with a concise conclusion tying judgment to evidence. For topic review, see the Congress of Vienna study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and practice DBQs at Fiveable (https://library.fiveable.me/practice/ap-european-history).

Did the Congress of Vienna actually succeed in preventing nationalism and revolutions?

Short answer: partly—it succeeded short-term but not long-term. The Congress (1814–1815) restored legitimacy, redrew borders (buffer states, Congress Poland), and created the Concert of Europe and Holy Alliance to uphold the conservative order (Metternich’s goal) and contain revolutionary/nationalist upheaval. That did limit large-scale wars and suppressed many uprisings in the 1815–1830 period. But it couldn’t erase the ideas unleashed by the French Revolution: liberalism and nationalism resurged in 1830 and especially 1848, and later fueled Italian and German unification. So the Congress stabilized Europe for a few decades but didn’t permanently prevent nationalism or revolution—a key point you should include on AP short answers/essays (use causation and continuity/change). For a quick review of these CED keywords and exam-focused notes, check the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW). For broader unit review and practice questions, see the Unit 5 page (https://library.fiveable.me/ap-european-history/unit-5) and 1,000+ practice problems (https://library.fiveable.me/practice/ap-european-history).

What was the Holy Alliance and how was it connected to the Congress of Vienna?

The Holy Alliance was a conservative agreement proposed by Tsar Alexander I in 1815 that bound Russia, Austria, and Prussia to cooperate on Christian monarchic principles and to work together to oppose revolutionary or nationalistic upheaval. It grew out of the Congress of Vienna (1814–1815), where leaders—especially Metternich—aimed to restore the balance of power, legitimacy, and stability after Napoleonic rule. While the Congress focused on territorial settlements (buffer states, Bourbon Restoration, Congress Poland) and a diplomatic Concert of Europe to manage disputes, the Holy Alliance offered an explicit ideological pledge to repress revolutionary ideas and legitimize conservative order. On the AP exam you might use the Holy Alliance as evidence of conservative reaction in a short-answer or LEQ about state responses to Napoleon (Unit 5 CED keywords: balance of power, legitimacy, Concert of Europe). For a quick review see the Topic 5.7 study guide (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and practice questions (https://library.fiveable.me/practice/ap-european-history).

How did the Congress of Vienna affect smaller European countries that weren't major powers?

The Congress of Vienna mostly treated smaller states as pieces in a bigger game: they were reshaped to secure the balance of power, not to reflect local wishes. Many lost or gained territory to create buffer states (e.g., the Kingdom of the Netherlands, Congress Poland) or had rulers restored under the legitimacy principle. That meant increased stability and conservative order—Metternich’s goal—but also limited sovereignty: smaller nations faced indemnities, garrison limits, and restrictions on nationalist or liberal reforms. The Concert of Europe and Holy Alliance gave great powers the right to intervene if revolutionary or national movements threatened the status quo. For AP work, memorize key settlements, “balance of power,” “legitimacy,” and examples like Congress Poland—these show how responses to Napoleonic rule shaped later conservatism and suppressed nationalism (useful for DBQs/LEQs). See the Topic 5.7 study guide for a focused review (https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW) and more practice (https://library.fiveable.me/practice/ap-european-history).

Why did the European powers think they could just redraw borders and expect people to accept it?

They believed they could redraw borders because the peace was negotiated by victorious monarchs who prioritized stability, legitimacy, and a restored balance of power over popular opinion. At the Congress of Vienna (1814–1815) diplomats like Metternich, Castlereagh, Talleyrand, and Tsar Alexander I used the legitimacy principle to restore pre-revolutionary dynasties and create buffer states (e.g., the Kingdom of the Netherlands, Congress Poland) to contain France. Their logic: strong states and conservative order would prevent revolutionary or nationalistic upheaval. They underestimated rising nationalism and liberalism, so many people didn’t accept the settlements—which explains later revolutions (1830, 1848). For AP review, link this to KC-2.1.V.D, the Concert of Europe, and consequences of conservative settlements (see the Topic 5.7 study guide: https://library.fiveable.me/ap-european-history/unit-5/congress-vienna/study-guide/ofYeh6PwozDut7O2DGZW). For extra practice, use Fiveable’s practice problems (https://library.fiveable.me/practice/ap-european-history).