This authoritative volume combines full primary treaty texts with rigorous analysis to trace how pivotal 19th-century European agreements reshaped borders, power balances, and diplomatic norms from the Congress of Vienna to the eve of World War I.
Book Title: The Great European Treaties of the Nineteenth Century
Editors: Sir Augustus Oakes, R.B. Mowat
Publication: Oxford University Press, 1918 (revised reprint, February 1936)
Genre: Diplomatic History, International Relations, Modern European History
One-Sentence Summary: This authoritative volume combines full primary treaty texts with rigorous historical analysis to trace how landmark international agreements reshaped Europe’s borders, power dynamics, and diplomatic rules from the end of the Napoleonic Wars to the outbreak of World War I.
The book follows a strict chronological structure, framing each treaty as both a conclusion to past conflicts and a foundation for future crises. It unfolds in four interconnected thematic sections:
The Vienna System and Concert of Europe (1815–1848)
Covers the 1815 Congress of Vienna treaties that established the post-Napoleonic balance of power.
Analyzes the Holy Alliance, the Greek War of Independence, and the 1839 Treaty of London that recognized Belgian independence.
Explains how the Concert of Europe’s multilateral negotiation framework prevented general war for nearly 40 years.
National Unification and the Collapse of the Old Order (1848–1871)
Details the 1859 Treaty of Zurich (Italian unification) and 1864 Treaty of Vienna (Danish War).
Breaks down the 1866 Treaty of Prague (Austro-Prussian War) and 1871 Treaty of Frankfort (Franco-Prussian War).
Shows how Prussia’s military victories dismantled the 1815 settlement and shifted European hegemony to Berlin.
The Eastern Question and Balkan Flashpoint (1856–1913)
Examines the 1856 Treaty of Paris (Crimean War) that neutralized the Black Sea.
Provides full text and analysis of the 1878 Treaty of Berlin, which redrew the Balkans after the Russo-Turkish War.
Covers the 1912–1913 Balkan Wars treaties that set the stage for World War I.
Alliance Systems and the Road to Global War (1879–1914)
Documents the 1879 Austro-German Dual Alliance and 1882 Triple Alliance.
Explains how secret diplomatic agreements and rigid alliance commitments turned the 1914 Sarajevo assassination into a continent-wide war.
Treaties are reflections of relative power, not permanent legal contractsNo 19th-century “permanent” peace settlement lasted as long as promised. When power shifted—such as after France’s 1870 defeat—states readily renegotiated or even unilaterally abandoned agreements that no longer served their interests.
National self-determination destroyed the Vienna settlementThe 1815 Congress ignored ethnic and national identities to create a stable balance of power. Over the next century, Italian, German, and Balkan nationalist movements repeatedly shattered that stability, forcing the great powers to rewrite Europe’s map.
Secret diplomacy fatally undermined the Concert of EuropeThe Concert of Europe relied on open, multilateral negotiation to resolve crises. By the 1890s, however, most major deals were made in secret, creating mistrust and eliminating the flexibility needed to defuse the 1914 crisis.
Collective guarantees were hollow without clear enforcement mechanismsTreaties like the 1867 Luxembourg Neutrality Treaty sounded strong on paper, but they lacked provisions for who would enforce them. Powers always prioritized their own national interests over collective obligations.
Analyze agreements through power dynamics, not just legal textWhen evaluating any deal—whether international or professional—first ask: Who has the power to enforce it? What happens if that power shifts? Legal language means nothing without the will to back it up.
Look for unspoken compromises in every negotiationThe most important parts of 19th-century treaties were rarely written down. The 1878 Congress of Berlin included secret side deals between Britain and Russia that shaped the final settlement far more than the public text. Always dig for what is not being said.
Avoid overconfidence in “final” solutionsEvery 19th-century peace treaty was hailed as the end of war in Europe. None lasted more than a few decades. In any complex system, assume today’s solution will become tomorrow’s problem.
Document all agreements, formal and informalMany 19th-century diplomatic crises stemmed from misinterpreted verbal promises. In your own work and relationships, always put important agreements in writing to avoid confusion and conflict.
“A collective guarantee is one which is binding on all the parties collectively; but if any difference of opinion should arise, no one of them can be called upon to take upon itself the task of vindication by force of arms.” — Lord Derby, 1867
“Thus, the war was the deliberate work of a small group of conspirators holding the highest positions in the Prussian Empire, whose action on this occasion rendered it inevitable.” — On the origins of the 1870 Franco-Prussian War
“The best thing about the Dreikaiserbund meeting was that nothing had been reduced to writing.” — Prince Gorchakov on the 1872 Three Emperors’ League
“Treaties are the milestones of international history, marking the end of one era and the beginning of another.”
“The neutralization of the Black Sea appeared to be not altogether fair to Russia, and Gorchakov had a good case with which to approach the signatory Powers with proposals for its amendment.”
Strengths
Unmatched primary source access: The book includes full, unedited texts of every major 19th-century European treaty, making it an indispensable reference for researchers.
Clear, logical structure: The chronological organization breaks down a century of complex diplomacy into manageable, interconnected chapters.
Balanced, objective analysis: The editors avoid national bias, presenting the perspectives of all major powers and explaining the rationales behind even the most controversial decisions.
Detailed contextual background: Each treaty is preceded by a thorough explanation of the events that led to it and the consequences that followed.
Weaknesses
Extreme Eurocentrism: The book almost entirely ignores the perspectives of non-European peoples, including Ottoman citizens and Balkan nations fighting for independence.
Overly dense legal sections: Some chapters consist of pages of unannotated treaty text, which can be tedious and difficult for casual readers to follow.
Abrupt ending: The book stops abruptly at the outbreak of World War I, with no analysis of how 19th-century treaties shaped the 20th century or the Versailles settlement.
Limited economic analysis: The editors focus almost exclusively on military and political power, paying little attention to how economic interests drove diplomatic decisions.
Who Should Read This Book
Undergraduate and graduate students studying international relations or modern European history
Diplomatic policy practitioners and foreign policy analysts
History enthusiasts interested in the origins of World War I and modern Europe
Anyone who wants to understand how international agreements shape global politics
How to Read It Effectively
First pass: Skim the legal texts: On your initial read, focus on the editors’ introductory analysis and skip the full text of minor treaties. Come back to the primary sources later if you need specific details.
Use the chronological table: The book’s detailed chronological table at the end is an essential tool for tracking the sequence of treaties and events.
Map out alliances as you go: Keep a running list of which powers were allied with whom at different times. Shifting alliances are the backbone of 19th-century European diplomacy.
What You’ll Gain
A deep understanding of how the modern European state system was created
Clear insight into the long-term diplomatic causes of World War I
A practical framework for analyzing international treaties and negotiations
Knowledge of the historical roots of many ongoing European border disputes
These are my structured study notes and in-depth interpretation compiled from watching open courses. I hope this clear, organized breakdown helps you grasp the core of this important book quickly and sparks your curiosity about the fascinating world of 19th-century European diplomacy. Happy reading and may your learning journey be full of new insights!

