* 1812 – British forces under the command of the Duke of Wellington assault the fortress of Badajoz.

* 1812 – Alexander Herzen, Russian writer ( d. 1870 )

* 1812 – The Territory of Orleans becomes the 18th U. S. state under the name Louisiana.

* 1812 – Kaspar Hauser, German mystery boy ( d. 1833 )

* 1812 – Bertalan Szemere, Hungarian politician ( d. 1869 )

* 1812 – War of 1812: The Battle of Fort Dearborn is fought between United States troops and Potawatomi at what is now Chicago, Illinois.

* 1812 – War of 1812: American General William Hull surrenders Fort Detroit without a fight to the British Army.

* 1812 – War of 1812: American frigate defeats the British frigate off the coast of Nova Scotia, Canada earning her nickname " Old Ironsides ".

He was one of the founders of the Geological Society of London in 1807 and was its honorary secretary in 1812 – 1817.

Andrew Johnson was born in Raleigh, North Carolina, to Jacob Johnson ( 1778 – 1812 ) and Mary (" Polly ") McDonough ( 1783 – 1856 ), a seamstress and the daughter of Andrew McDonough.

* 1812 – Peninsula War: A coalition of Spanish, British, and Portuguese forces succeed in lifting the two-and-a-half-year-long Siege of Cádiz.

* Alfonso Sanz y Martínez de Arizala ( 28 January 1880, Madrid – 1970 ), married in 1922 to María de Guadalupe de Limantour y Mariscal ( d. 1977, Marbella ), daughter of Julio de Limantour y Marquet ( 17 June 1863, Mexico City – 11 October 1909, Mexico City ) and wife Elena Mariscal y ..., paternal granddaughter of French Joseph Yves de Limantour y Rence de la Pagame ( 1812, Ploemeur – 1885, Mexico City ) and wife Adèle Marquet y Cabannes ( 1820, Bordeaux –?

* 1768 – Joseph Dennie, American author and journalist ( d. 1812 )

* 1812 – Peninsular War: French troops engage British-Portuguese forces in the Battle of Majadahonda.

* 1748 – Joseph Schuster, German composer ( d. 1812 )

* 1813 – War of 1812: United States troops capture the capital of Upper Canada in the Battle of York ( present day Toronto, Canada ).

* Principality of Anhalt-Bernburg-Schaumburg-Hoym: 1718 – 1812

The Swiss-German traveler Johann Ludwig Burckhardt described Beisan in 1812 as " a village with 70 to 80 houses, whose residents are in a miserable state.

Andrew Burnaby ( 1732 – March 9, 1812 ) was a clergyman and traveler.

* 1812 – Peter Christen Asbjørnsen, Norwegian writer ( d. 1885 )

* Mikhail Vladimirovich Tolstoy ( 1812 – 1896 ), writer

The American writer Joel Barlow ( 1754-1812 ) died here on December 26, 1812, while fleeing Russian forces pursuing remnants of the French army after Napoleon's unsuccessful invasion of Russia.

* January 29 – Edward Lear, British artist and writer ( b. 1812 )

* August 31 – Pedro Luiz Napoleão Chernoviz, Brazilian physician, writer and publisher ( b. 1812 )

It was led by the artist and writer William Morris ( 1834 – 1896 ) and the architect Charles Voysey ( 1857 – 1941 ) during the 1860s, and was inspired by the writings of John Ruskin ( 1819 – 1900 ) and Augustus Pugin ( 1812 – 1852 ).

* Samuel Laing ( science writer ) ( 1812 – 1897 ), son of the above, a businessman, politician and writer on modern science

Street, maternal niece of Edward Lear ( 1812 – 1888 ), the famous English watercolourist and writer of humorous verse.

* Aaron Bernstein ( 1812 – 1884 ), German short story writer and historian

Prime ( 1812 – 1885 ), American clergyman, traveller, and writer

* Otto von Corvin ( 1812 – 1886 ), German writer

Manuel Esteban Ancízar Basterra ( December 25, 1812 – May 21, 1882 ) was a Colombian lawyer, writer, and journalist of Colombia.

* September 15-Ivan Goncharov, Russian writer ( born 1812 )

* August 20-Henry Richard, political writer ( born 1812 )

Sir George Grey, KCB ( 14 April 1812 – 19 September 1898 ) was a soldier, explorer, Governor of South Australia, twice Governor of New Zealand, Governor of Cape Colony ( South Africa ), the 11th Premier of New Zealand and a writer.

Jean-Barthélémy Hauréau ( November 9, 1812 – April 29, 1896 ) was a French historian and writer.

* Henri-François-Alphonse Esquiros ( 1812 – 1876 ), a French writer

Henri " Hendrik " Conscience ( 3 December 1812 Antwerp – 10 September 1883 Elsene ) was a Belgian writer.

François-Réal Angers ( 20 November 1812 – 27 March 1860 ) was a lawyer and writer from Quebec, Canada.

Frederick Edward Maning ( 5 July 1812 – 25 July 1883 ) was a notable early settler in New Zealand, a writer and judge of the Native Land Court.

1812 ), Tyneside poet and song writer

1812 ), writer on Wales