1827

Year 1827 (MDCCCXXVII) was a common year starting on Monday (link will display the full calendar) of the Gregorian Calendar (or a common year starting on Saturday of the 12-day slower Julian calendar).
*"Also see:" List of years in Art.

Events of 1827

January - June

* February 20 - Battle of Ituzaingo (Passo do Rosário): A force of the Brazilian Imperial Army meets Argentine-Uruguayan troops in combat.
* February 28 - The Baltimore & Ohio Railroad is incorporated, becoming the first railroad in America offering commercial transportation of both people and freight.
* March 7 - Brazilian marines sail up the Rio Negro and attack the temporary naval base of Carmen de Patagones, Argentina; they are defeated by the local citizens.
* March 7 - Shrigley Abduction: Ellen Turner, a wealthy heiress in Cheshire, England, is abducted by Edward Gibbon Wakefield, the future politician in colonial New Zealand.
* March 16 - "Freedom's Journal", the first African-American owned and published newspaper in the United States, is founded in New York City by John Russwurm.
* April - Ottoman Algeria: Husain Dei slaps the French consul Decalina on the face, eventually leading to war and French rule in Algeria.
* April 7-8 - Battle of Monte Santiago: A squadron of the Brazilian Imperial Navy defeats Argentine vessels in a major naval engagement.
* April 10 - UK: George Canning succeeds Lord Liverpool as British Prime Minister.
* April 24 - Greek War of Independence - Battle of Phaleron: Ottoman troops defeats the Greek rebels.
* May 21 - The Maryland Democratic Party is founded by supporters of Andrew Jackson in Baltimore and hosts its first meeting at the Baltimore Atheneum.

July - December

* July 6 - Greek War of Independence: The Treaty of London between France, Britain, and Russia, demands that the Turks agree to an armistice in Greece.
* July 14 - Kingdom of Hawaii: The Diocese of Honolulu is founded.
* August 31 - UK: Frederick John Robinson, 1st Viscount Goderich, becomes Prime Minister of the UK, following the death of George Canning.
* September 4 - Finland: The Great Fire of Turku destroys 3/4 of the city, with many human casualties.
* September 22 - Joseph Smith Jr. obtains the Book of Mormon, for him to translate.
* October 1 - Russo-Persian War, 1826-1828: The Russians under Ivan Paskevich storm Yerevan, ending a millennium of Muslim domination in Eastern Armenia.
* October 20 - Greek War of Independence - Battle of Navarino: British, French, and Russian naval forces destroy the Turko-Egyptian fleet in Greece.

Undated

* Laos: King Anouvong of Vientiane declares war on Siam and successfully attacks Nakhon Ratchasima (the Siamese later invade Vientiane and nearly destroy the whole city).
* Englishman John Walker invents the first friction match which he names "Lucifer".
* Egypt: Cairo University School of Medicine is established as the first African medical school in the Middle East.

Births

* November 7 - Antti Ahlström, Finnish industrialist (d. 1896)
* March 8 - Wilhelm Bleek, German linguist (d. 1875)
* April 5 - Joseph Lister, English surgeon (d. 1912)
* April 8 - Ramón Emeterio Betances, Puerto Rican politician, medical doctor and diplomat (d. 1898)
* May 11 - Jean-Baptiste Carpeaux, French sculptor and painter (d. 1875)
* May 19 - Paul-Armand Challemel-Lacour, French statesman (d. 1896)
* May 21 - William P. Sprague, American politician from Ohio (d. 1899)
* May 27 - Samuel F. Miller, American politician (d. 1892)
* June 12 - Johanna Spyri, Swiss author (d. 1901)
* June 13 - Alberto Henschel, German-Brazilian photographer and businessman (d. 1882)
* July 13 - Hugh O'Brien, Mayor of Boston (d. 1895)
* July 17 - Sir Frederick Augustus Abel, British chemist (d. 1902)
* September 30 - Ellis H. Roberts, American politician (d. 1918)
* November 10 - J.T. Wamelink, American composer (d. 1910)
* November 26 - Ellen G. White, American religious leader (d. 1915)
* 3 December- Jain Acharya Rajendrasuri, religious reformer (d. 1906)

: "See also ."

Deaths

* January 5 - Prince Frederick, Duke of York and Albany, heir-presumptive to the British throne (b. 1763)
* February 19 - Armand Augustin Louis de Caulaincourt, French general and diplomat (b. 1773)
* March 5
**Pierre-Simon Laplace, French mathematician (b. 1749)
**Alessandro Volta, Italian physicist (b. 1745)
* March 26 - Ludwig van Beethoven, German composer (b. 1770)
* May 27 - Melesina Trench, Irish born writer and socialite (b. 1768)
* July 14 - Augustin-Jean Fresnel, French physicist (b. 1788)
* April 29- Deborah Sampson, first American female soldier (b. 1760)
* August 8 - George Canning, Prime Minister of the United Kingdom (b. 1770)
* August 12 - William Blake, English poet and artist (b. 1757)
* November 7 - Maria Theresia of Tuscany, Queen of Saxony (b. 1767)
* December 3 - Servando Teresa de Mier, preacher (b. 1765)

: "See also ."