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Sovereignty in History

Explore major historical events involving sovereignty, statehood, independence, and control over territory. Discover declarations of independence, changes in political authority, territorial transfers, treaties, state formations, and conflicts over national sovereignty. These events reveal how governments and peoples established, challenged, or restored political authority and helped shape the modern international system.

Major Sovereignty Events and Political Milestones

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📅 Oct 7, 1763

The Royal Proclamation Closes the West to Colonial Settlement

On October 7, 1763, the Royal Proclamation closed land west of the Appalachians to settlement and reserved it for Native Americans.

⛳Canada⛳United States
📖Diplomacy📖Politics
🔖Sovereignty
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📅 Oct 24, 1795

The Third Partition of Poland

On October 24, 1795, Russia, Prussia and Austria signed the third partition of Poland and divided the remaining Polish lands between them.

⛳Austria⛳Poland⛳Russia
📖Diplomacy📖Politics
🔖Sovereignty
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📅 Oct 20, 1803

The Senate Approves the Louisiana Purchase

On October 20, 1803, the US Senate ratified the Louisiana Purchase, in which France sold a vast territory for about 15 million dollars.

📖Diplomacy📖Politics
🔖Sovereignty
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📅 Oct 23, 1856

The Arrow Incident Opens the Second Opium War

On October 23, 1856, British forces attacked the forts on the Pearl river near Guangzhou, opening the Second Opium War.

⛳China⛳United Kingdom
📖Diplomacy📖Military & Warfare
🔖Sovereignty
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📅 Oct 24, 1860

The Convention of Beijing Ends the Second Opium War

On October 24, 1860, the Qing court signed the Convention of Beijing with Britain, ending the Second Opium War on terms imposed on China.

⛳China⛳United Kingdom
📖Diplomacy📖Military & Warfare
🔖Sovereignty
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📅 Oct 25, 1945

China Resumes Sovereignty Over Taiwan

On October 25, 1945, Japan surrendered its forces in Taiwan to China, ending fifty years of colonial rule and returning the island to Chinese sovereignty.

⛳China
📖Politics
🔖Sovereignty
⌛
📅 Oct 26, 1947

The Maharaja of Kashmir Accedes to India

On October 26, 1947, Kashmir's ruler acceded to India, bringing Indian troops and the first Indo-Pakistani war over the disputed state.

⛳India
📖Politics
🔖Sovereignty
⌛
📅 Oct 26, 1955

Austria Declares Permanent Neutrality

On October 26, 1955, Austria adopted a constitutional law of permanent neutrality, after the state treaty that ended the allied occupation.

⛳Austria
📖Diplomacy📖Politics
🔖Sovereignty
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📅 Oct 29, 1956

The Suez War Begins

On October 29, 1956, Israeli forces entered Sinai and the Suez war began, after Egypt nationalised the Suez Canal company.

⛳Egypt⛳France⛳Israel ⛳United Kingdom
📖Diplomacy📖Military & Warfare
🔖Sovereignty
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📅 Oct 25, 1958

The Ningxia Hui Autonomous Region Is Established

On October 25, 1958, the Ningxia Hui Autonomous Region was established in north west China, with Yinchuan as its capital.

⛳China
📖Politics📖Society
🔖Sovereignty
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📅 Oct 25, 1979

The IOC Restores China's Seat

On October 25, 1979, the International Olympic Committee adopted the Nagoya resolution, restoring the People's Republic of China's seat.

⛳China
📖Diplomacy📖Sports
🔖Sovereignty
⌛
📅 Sep 26, 1984

Britain and China Initial the Joint Declaration on Hong Kong

On September 26, 1984, Britain and China initialled the Joint Declaration on Hong Kong, setting the terms for the 1997 handover.

⛳China⛳Hong Kong ⛳United Kingdom
📖Diplomacy📖Politics
🔖Sovereignty