From Wikipedia, the free encyclopedia.
Centuries: 18th century - 19th century - 20th century
- March 30 - Florida becomes a United States territory.
- May 24 - Battle of Pichincha: Simón Bolívar secures the independence of Quito.
- July 8 - Chippewas turn over huge tract of land in Ontario to the United Kingdom.
- September 7 - Brazil declares its independence from Portugal
- September 16 - George Canning appointed British foreign secretary.
- October 12 - Pedro 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
- December 1 - Dom Pedro is crowned as Emperor of Brazil.
- 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.
Year in topic
- January 4 - Georg Büchmann, philologist (+ 1884)
- January 6 - Heinrich Schliemann, German archaeologist
- January 28 - Alexander Mackenzie, second Prime Minister of Canada
- February 16 - Sir Francis Galton, explorer, biologist (+ 1911)
- April 3 - Edward Everett Hale, writer, (+ 1909)
- May 26 - Edmond de Goncourt, writer (+ 1896)
- July 18- Her Royal Highness Princess Augusta of Cambridge
- December 10 - César Franck, composer and organist (+ 1890)
- Gregor Mendel, geneticist
- Charles A. Alexander, Victorian architect