| in?=
| cp=18th century
| c=19th century
| cf=20th century
| yp1=1808
| yp2=1809
| yp3=1810
| year=1811
| ya1=1812
| ya2=1813
| ya3=1814
| dp3=1780s
| dp2=1790s
| dp1=1800s
| d=1810s
| dn1=1820s
| dn2=1830s
| dn3=1840s
}}
1811 was a Common Year Starting On Tuesday (see link for calendar).
Events
- January 8 - Unsuccessful slave revolt led by Charles Deslandes in St. Charles and St. James , Louisiana .
- February 5 - George, Prince Of Wales becomes Regent because of the perceived insanity of his father, King George III Of The United Kingdom .He is known as the Prince Regent . This is the beginning of the period known as the English Regency .
- March 1 - Egypt ian ruler Mohammed Ali kills the last Mamluk leaders in the Citadel Massacre .
- March 13 - Battle Of Lissa (1811) - British fleet defeats the French one.
- March 25 - The Great Comet Of 1811 is discovered by Honoré Flaugergues .
- April 5 - April 6 - Revolutionary riots in Buenos Aires .
- May 14 - Paraguay declares independence from Spain .
- May 16 - Battle Of Albuhera .
- July 5 - Venezuela declares its independence from Spain .
- July 11 - Italian scientist Amedeo Avogadro publishes his memoire about molecular content of gases.
- September - First annual Rosh Hashana Kibbutz (pilgrimage) of Breslov Hasidim to the grave of Rabbi Nachman Of Breslov in Uman, Ukraine , led by Nathan Of Breslov .
- October 11 - Inventor John Stevens ' boat, the ''Juliana'', begins operation as the first Steam -powered Ferry (service between New York, New York , and Hoboken, New Jersey ).
- November - Luddite uprisings begin in northern England and Midlands .
- November 16 - Earthquake in Mississippi Valley near New Madrid reverses the course of the river for a while.
Ongoing events
Births
- January 9 - Gilbert Abbott à Beckett , English writer (d. 1856 )
- January 17 - Joshua Abraham Norton , self-declared Emperor Norton I of the United States (d. 1880 )
- February 3 - Horace Greeley , American journalist, editor, and publisher (d. 1872 )
- February 6 - Henry George Liddell , English clergyman (d. 1898 )
- March 20 - Napoleon II Of France (d. 1832 )
- March 30 - Robert Bunsen , German chemist and inventor (d. 1899 )
- June 14 - Harriet Beecher Stowe , American author (d. 1896 )
- July 18 - William Makepeace Thackeray , British novelist (d. 1863 )
- August 31 - Theophile Gautier , French writer (d. 1872 )
- September 19 - Orson Pratt , American religious leader (d. 1881 )
- October 22 - Franz Liszt , Hungarian composer and pianist (d. 1886 )
- October 27 - Stevens Thomson Mason , first Governor of Michigan (d. 1843 )
- November 21 - Zeng Guofan , Chinese official and military leader (d. 1872 )
- November 24 - Ulrich Ochsenbein , Member Of The Swiss Federal Council (d. 1890 )
- December 21 - Archibald Campbell Tait , Archbishop Of Canterbury (d. 1882 )
Deaths
- January 10 - Marie-Joseph Chénier , French poet (b. 1764 )
- May 28 - Henry Dundas , 1st Viscount Melville, British minister (b. 1742 )
- August 20 - Louis Antoine De Bougainville , French navigator and military commander (b. 1729 )
- September 8 - Peter Simon Pallas , German zoologist (b. 1741 )
- October 11 - Johann Conrad Ammann , Swiss physician and naturalist (b. 1724 )
- November 18 - Adam Weishaupt , German professor, founded the Illuminati (b. 1748 )
- November 21 - Heinrich Von Kleist , German writer (suicide) (b. 1777 )
- November 27 - Andrew Meikle , English engineer (b. 1719 )
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