1800S

Contents

Events and trends

Technology

Astronomy

War, peace and politics

Other

World leaders

Events and trends

Technology

★ Invention of the Jacquard loom in 1801.

★ Ultraviolet radiation is discovered by Johann Wilhelm Ritter.

★ Flag semaphore is gradually adopted by various navies of the world.

★ Morphine is isolated from opium for the first time in 1804.

★ Nicolas François Appert develops a method to preserve food by means of canning.

Astronomy

★ The first known asteroids are discovered in this decade:

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★ Ceres (1801-01-01). Ceres is reclassified as a dwarf planet in 2006.

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★ Pallas (1802-03-28)

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★ Juno (1804-09-01)

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★ Vesta (1807-03-29)

War, peace and politics

★ The First Barbary War (1801–1805) is fought between the United States and the Barbary States of North Africa.

★ The Kingdom of Great Britain and the Kingdom of Ireland merge into the United Kingdom of Great Britain and Ireland in 1801.

★ In 1803, the US acquired the Louisiana Territories from France.

★ Haiti gains independence from France on 1804-01-01, becoming the first black republic.

★ The Fulani War (1804–1810) is fought in present day Nigeria and Cameroon.

★ The First Serbian Uprising (1804−1813) marks the first time in 300 years Serbia perceives itself an independent state.

★ Beginning of the Napoleonic Wars (1805–1815).

★ Beginning of the Russo-Turkish War (1806–1812) between Russia and the Ottoman Empire.

★ War of 1812

Other

★ The Lewis and Clark Expedition (1804–1806)

World leaders

★ Emperor Napoleon I (First French Empire)

★ Emperor Francis II (Holy Roman Empire)

★ Frederick William III of Prussia (Prussia)

★ Pope Pius VII

★ Tsar Paul I (Russia)

★ Tsar Alexander I (Russia)

★ King Charles IV (Spain)

★ King George III, (United Kingdom of Great Britain and Ireland)

★ President John Adams (United States)

★ President Thomas Jefferson (United States)

★ Fath Ali Shah of Qajar dynasty (Persia)

★ Jiaqing Emperor of China (Qing Dynasty)