1800

Centuries: 17th century - 18th century - 19th century

Decades: 1750s 1760s 1770s 1780s 1790s - 1800s - 1810s 1820s 1830s 1840s 1850s

Years: 1795 1796 1797 1798 1799 - 1800 - 1801 1802 1803 1804 1805

Events

• March 14 - Cardinal Barnaba Chiaramonti is elected pope Pius VII
• March 21 - Pius VII becomes Pope
• May 15 - Napoleon Bonaparte crosses the Alps and invades Italy
• June 14 - Battle of Marengo, Napoleon defeats the Austrian troops near Marengo, Italy[?]
• June 27 - Pascha Jussuf Karamanli of Tripoli declares war on Sweden by having the flagpole on the consulate chopped down.
• September 5 - The island of Malta, that was occupied by the French, is conquered by British troops
• December 3 - Battle of Hohenlinden, the French army defeats the Austrian troops.
• December 24 - An assault on Napoleon Bonaparte fails in Paris
• Invention of the voltaic pile by Alessandro Volta: the first chemical battery
• The infrared radiation is discovered by Wilhelm Herschel

Births

• January 7 - Millard Fillmore, 13th President of the United States 1850-1853
• January 14 - Ludwig Alois Ferdinand Köchel, Austrian researcher on music
• February 11 - William Henry Fox Talbot, English photographic pioneer
• March 15 - Heinrich von Dechsen[?], geologist and mineralogist (+ 1889)
• May 9 - John Brown, American abolitionist (+ 1859)
• July 31 - Friedrich Wöhler, German chemist
• October 2 - Nat Turner, leader of a slave rebellion
• October 25 - Thomas Macaulay, English poet
• Charles Goodyear[?], American rubber magnate
• Emperor Ninko of Japan

Deaths

• January 1 - Louis-Jean-Marie Daubenton, French naturalist
• March 14 - Daines Barrington, English naturalist
• April 25 - William Cowper, English poet