1822 (MDCCCXXII) was a common year starting on Tuesday (see link for calendar) of the Gregorian calendar (or a common year starting on Thursday of the 12-day-slower Julian calendar).

Events

• February 9 - Haiti invades the Dominican Republic.
• March 30 - Florida becomes a United States territory. (See History of Florida.)
• May 24 - Battle of Pichincha: Simón Bolívar secures the independence of Quito.
• June 14 - Charles Babbage proposes a Difference engine
• July 8 - Chippewas turn over huge tract of land in Ontario to the United Kingdom. (See Treaty Timeline - Individual Treaties with maps at ^*.)
• July 13 - Greek War of Independence: Greeks defeat Ottoman forces at Thermopylae.
• July 27 - Simón Bolívar and general José de San Martín meet in Guayaquil. Bolívar later annexes Guayaquil. (See Guayaquil conference)
• July 28 - Independence Day in Peru (see History of Peru)
• July 31 - Last public whipping in Edinburgh
• August 12 - St David's College (now the University of Wales, Lampeter) founded by Bishop Thomas Burgess
• September 7 - Brazil declares its independence from Portugal (see Brazilian independence)
• September 16 - George Canning appointed British Secretary of State for Foreign Affairs.
• October 12 - Peter I of Brazil declared constitutional emperor of the Brazilian Empire
• October-December - Congress of Verona at which Russia, Austria and Prussia approve French intervention in Spain
• November 13 - Greek War of Independence: Nafplion falls to the Greek rebels
• December 1 - Peter I is crowned as Emperor of Brazil (see The reign of Pedro I, 1822-31.)

• Hieroglyphs deciphered by Thomas Young and Jean-François Champollion using the Rosetta Stone.
• Galileo Galilei's Dialogue taken off the Index Librorum Prohibitorum, the Roman Catholic Church's list of banned books.
• Ashley's Hundred leave from St. Louis setting off a major increase in fur trade.
• An earthquake in Chile raises the coastal area
• Coffee ban in Sweden abolished
• Britain repeals death penalty for over 100 crimes. (See Capital punishment in the United Kingdom).
• First group of freed slaves from USA arrive to modern-day Liberia and founded Monrovia. (See History of Liberia.)

Births

• January 2 - Rudolf Clausius, German physicist (d. 1888)
• January 6 - Heinrich Schliemann, German archaeologist (d. 1890)
• January 28 - Alexander Mackenzie, second Prime Minister of Canada (d. 1892)
• February 16 - Sir Francis Galton, English explorer and biologist (d. 1911)
• April 3 - Edward Everett Hale, American writer (d. 1909)
• April 27 - Ulysses S. Grant, 18th President of the United States (d. 1885)
• May 20 - Frédéric Passy, French economist, recipient of the Nobel Peace Prize (d. 1912)
• May 26 - Edmond de Goncourt, French writer (d. 1896)
• June 10 - John Jacob Astor III, American businessman (d. 1890)
• July 18 - Princess Augusta of Cambridge (d. 1916)
• July 22 - Gregor Mendel, Austrian geneticist (d. 1884)
• October 4 - Rutherford B. Hayes, 19th President of the United States (d. 1893)
• December 10 - César Franck, Belgian composer and organist (d. 1890)
• December 24 - Matthew Arnold, English poet (d. 1888)
• December 27 - Louis Pasteur, French microbiologist and chemist (d. 1895)

Deaths

• January 15 - John Aikin, English physician and writer (b. 1747)
• January 24 - Ali Pasha, Albanian ruler (b. 1741)
• June 25 - E.T.A. Hoffman, German writer, composer, and painter (b. 1776)
• May 8 - John Stark, American Revolutionary War general (b. 1728)
• July 8 - Percy Bysshe Shelley, English poet (b. 1792)
• August 12 - Robert Stewart, Viscount Castlereagh, British foreign secretary (suicide) (b. 1769)
• August 25 - William Herschel, German-born astronomer (b. 1738)

1822

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