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Browsing by Modern (1800–1945)

Treaties

54 results
1819territorial

Adams-Onís Treaty

Americas

The Adams-Onís Treaty of 1819, a landmark agreement, ceded Florida to the United States and defined the boundary between U.S. and Spanish territories in North America.

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1867territorial

Alaska Purchase Treaty

Americas

The Alaska Purchase Treaty marked the United States' strategic expansion into the North Pacific, acquiring vast resources and reshaping North American geopolitics.

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1930imperial

Anglo-Iraqi Treaty

Middle East

The Anglo-Iraqi Treaty of 1930 marked a pivotal step towards Iraq's nominal independence while maintaining British influence in the region.

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1921peace

Anglo-Irish Treaty

Europe

The treaty that established the Irish Free State and marked a pivotal step in Ireland's path to independence from British rule.

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1902alliance

Anglo-Japanese Alliance

Asia

The Anglo-Japanese Alliance of 1902 marked the first military alliance between a European and an Asian power, reshaping international relations in the early 20th century.

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1907alliance

Anglo-Russian Entente

Europe

The Anglo-Russian Entente of 1907 marked the end of the Great Game, reshaping geopolitical alliances in Central Asia and Europe.

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1936alliance

Anti-Comintern Pact

Global

The Anti-Comintern Pact of 1936 marked a pivotal alliance against communism, setting the stage for Axis cooperation in World War II.

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1941alliance

Atlantic Charter

Global

The Atlantic Charter laid the groundwork for the post-World War II international order and the principles of self-determination and economic cooperation.

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1885imperial

Berlin Conference Act

Africa

The Berlin Conference Act of 1885 formalized the Scramble for Africa, setting the rules for European colonization and dramatically reshaping the continent's political landscape.

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1944trade

Bretton Woods Agreement

Global

The Bretton Woods Agreement established the post-war international monetary system, creating the IMF and World Bank to stabilize global economies.

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1815peace

Congress of Vienna

Europe

The Congress of Vienna redefined European borders and established a framework for international diplomacy after the Napoleonic Wars.

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1904alliance

Entente Cordiale

Europe

The Entente Cordiale of 1904 marked a pivotal shift in European diplomacy, resolving colonial disputes between Great Britain and France and laying the groundwork for future alliances.

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1928peace

Kellogg-Briand Pact

Global

The Kellogg-Briand Pact of 1928 was a landmark international agreement that sought to renounce war as a tool of national policy, setting a precedent for future peace efforts.

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1929peace

Lateran Treaty

Europe

The Lateran Treaty of 1929 resolved the longstanding Roman Question, establishing Vatican City as an independent state and redefining the relationship between Italy and the Holy See.

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1925peace

Locarno Treaties

Europe

The Locarno Treaties of 1925 aimed to stabilize post-World War I Europe by guaranteeing Germany's western borders and fostering a spirit of reconciliation.

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1803territorial

Louisiana Purchase Treaty

Americas

The Louisiana Purchase Treaty doubled the size of the United States and marked a pivotal moment in American expansionism.

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1939alliance

Molotov-Ribbentrop Pact

Europe

The Molotov-Ribbentrop Pact of 1939, a non-aggression treaty between Nazi Germany and the Soviet Union, secretly divided Eastern Europe into spheres of influence, setting the stage for World War II.

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1938territorial

Munich Agreement

Europe

The Munich Agreement of 1938, a pivotal act of appeasement, ceded the Sudetenland to Nazi Germany, setting the stage for World War II.

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1945peace

Potsdam Agreement

Europe

The Potsdam Agreement of 1945 established the framework for post-war Europe, reshaping borders and setting the stage for the Cold War.

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1914territorial

Simla Convention

Asia

The Simla Convention of 1914 sought to define Tibet's status and demarcate borders between British India, Tibet, and China, but ultimately failed due to China's non-ratification.

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1916territorial

Sykes-Picot Agreement

Middle East

The secret agreement that reshaped the Middle East by partitioning the Ottoman Empire between Britain and France.

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1858territorial

Treaty of Aigun

Asia

The Treaty of Aigun redefined the territorial boundaries between Qing China and the Russian Empire, significantly altering the geopolitical landscape of Manchuria.

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1802peace

Treaty of Amiens

Europe

The Treaty of Amiens temporarily halted hostilities between Britain and France during the Napoleonic Wars, marking a brief period of peace in Europe.

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1878peace

Treaty of Berlin (1878)

Europe

The Treaty of Berlin (1878) reshaped the Balkans and recalibrated European power dynamics following the Russo-Turkish War.

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1918peace

Treaty of Brest-Litovsk

Europe

The treaty that marked Soviet Russia's exit from World War I, reshaping Eastern Europe and setting the stage for future conflicts.

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1912imperial

Treaty of Fez

Africa

The Treaty of Fez established French control over Morocco, marking a significant moment in colonial history.

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1814peace

Treaty of Fontainebleau (1814)

Europe

The Treaty of Fontainebleau marked the end of Napoleon's reign and his first exile, reshaping European political dynamics.

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1871peace

Treaty of Frankfurt

Europe

The Treaty of Frankfurt ended the Franco-Prussian War and marked the unification of Germany, reshaping European geopolitics.

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1848peace

Treaty of Guadalupe Hidalgo

Americas

The treaty that concluded the Mexican-American War, ceding vast territories to the United States and reshaping North America.

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1927peace

Treaty of Jeddah (1927)

Middle East

The Treaty of Jeddah (1927) marked the British recognition of the sovereignty of the Kingdom of Hejaz and Nejd, laying the groundwork for the modern state of Saudi Arabia.

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1854trade

Treaty of Kanagawa

Asia

The Treaty of Kanagawa marked the end of Japan's isolationist policy and opened its ports to American trade, reshaping international relations in the Pacific.

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1923peace

Treaty of Lausanne

Middle East

The Treaty of Lausanne redefined the boundaries of modern Turkey and marked the end of the Ottoman Empire's territorial disputes with the Allied Powers.

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1940peace

Treaty of Moscow (1940)

Europe

The Treaty of Moscow (1940) concluded the Winter War, redrawing Finland's borders and altering the balance of power in Northern Europe.

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1842peace

Treaty of Nanking

Asia

The Treaty of Nanking marked the end of the First Opium War, ceding Hong Kong to Britain and opening China to foreign trade under unequal terms.

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1856peace

Treaty of Paris (1856)

Europe

The Treaty of Paris (1856) concluded the Crimean War, reshaping European geopolitics and establishing the Black Sea as a neutral territory.

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1898peace

Treaty of Paris (1898)

Global

The treaty that ended the Spanish-American War, marking the United States' emergence as a global power through territorial acquisitions.

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1905peace

Treaty of Portsmouth

Asia

The Treaty of Portsmouth ended the Russo-Japanese War, marking a significant shift in global power dynamics by recognizing Japan as a major world power.

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1866peace

Treaty of Prague (1866)

Europe

The Treaty of Prague (1866) ended the Austro-Prussian War, marking the rise of Prussian dominance in German affairs and reshaping Central Europe.

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1919peace

Treaty of Saint-Germain-en-Laye

Europe

The Treaty of Saint-Germain-en-Laye dismantled the Austro-Hungarian Empire, reshaping Central Europe in the aftermath of World War I.

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1878peace

Treaty of San Stefano

Europe

The Treaty of San Stefano marked a pivotal moment in Balkan history, reshaping the region's political landscape and setting the stage for future conflicts.

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1895peace

Treaty of Shimonoseki

Asia

The Treaty of Shimonoseki marked the end of the First Sino-Japanese War, significantly altering the balance of power in East Asia by recognizing Japan's dominance over Korea and ceding Taiwan to Japanese control.

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1920peace

Treaty of Sèvres

Middle East

The Treaty of Sèvres attempted to dismantle the Ottoman Empire, reshaping the Middle East but ultimately failing to be implemented.

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1885peace

Treaty of Tianjin (1885)

Asia

The Treaty of Tianjin (1885) concluded the Sino-French War, redefining colonial influence in Southeast Asia.

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1858trade

Treaty of Tientsin

Asia

The Treaty of Tientsin marked a pivotal moment in colonial diplomacy, opening China to Western powers and reshaping its sovereignty.

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1807peace

Treaty of Tilsit

Europe

The Treaty of Tilsit reshaped European alliances, solidifying Napoleon's dominance and humiliating Prussia.

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1920peace

Treaty of Trianon

Europe

The Treaty of Trianon redrew the map of Central Europe, drastically reducing Hungary's territory and reshaping its national identity.

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1919peace

Treaty of Versailles (1919)

Europe

The Treaty of Versailles reshaped Europe and laid the groundwork for future conflicts by imposing punitive conditions on Germany after World War I.

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1840imperial

Treaty of Waitangi

Oceania

The Treaty of Waitangi established British sovereignty over New Zealand while promising protection of Māori land rights, leading to long-term legal and cultural implications.

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1843trade

Treaty of the Bogue

Asia

The Treaty of the Bogue solidified British commercial dominance in China by granting most-favored-nation status and extraterritorial rights following the First Opium War.

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1882alliance

Triple Alliance Treaty

Europe

The Triple Alliance Treaty of 1882 forged a pivotal military alliance between Germany, Austria-Hungary, and Italy, reshaping European geopolitics in the late 19th century.

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1945alliance

United Nations Charter

Global

The United Nations Charter established the framework for international cooperation and peacekeeping in the post-World War II era.

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1942alliance

United Nations Declaration

Global

The United Nations Declaration of 1942 solidified the Allied commitment to defeat the Axis powers during World War II.

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1922arms

Washington Naval Treaty

Global

The Washington Naval Treaty of 1922 marked a pivotal moment in disarmament, aiming to prevent naval arms races and promote peace after World War I.

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1945alliance

Yalta Agreement

Global

The Yalta Agreement reshaped post-war Europe and laid the groundwork for the Cold War by dividing spheres of influence among the Allies.

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