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:
★
★
Ceres (
1801-01-01). Ceres is reclassified as a
dwarf planet in
2006.
★
★
Pallas (
1802-03-28)
★
★
Juno (
1804-09-01)
★
★
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)
العربية
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