1800
2008/9 Schools Wikipedia Selection. Related subjects: Years
| Centuries: | 17th century - 18th century - 19th century | 
| Decades: | 1770s 1780s 1790s - 1800s - 1810s 1820s 1830s | 
| Years: | 1797 1798 1799 - 1800 - 1801 1802 1803 | 

         Napoleon crosses the  Alps.
       Year 1800 (MDCCC) was an exceptional common year starting on Wednesday of the Gregorian calendar, but a leap year starting on Sunday of the Julian calendar. The Gregorian calendar was 11 days ahead of the Julian calendar until Friday, February 28 [ O.S. February 17, 1800] 1800, but 12 days ahead since Saturday, March 1 [ O.S. February 18, 1800] 1800.
Events of 1800
- World population was nearing 1 billion people, at 978 million. The 1 billion milestone will not be accomplished until 2 years later, in 1802. The population distribution by region:
 
January - March
- February - Foundation of the Bank of France
 - March 14 - Cardinal Barnaba Chiaramonti succeeds Pius VI as Pius VII, the 251st pope.
 - March 20 - Alessandro Volta describes his new invention, the voltaic pile, the first chemical battery, in a letter to the Royal Society.
 
April - June
- April - Voting begins in the United States presidential election, 1800; it will last until October. The result is not announced until February of 1801.
 - April 24 - U.S. Library of Congress founded.
 - May 5 - Great Britain passes the Act of Union to join Great Britain and Ireland into the United Kingdom to take effect on 1 January 1801. The act is signed by King George III in August.
 - May 15 - Napoleon Bonaparte crosses the Alps and invades Italy.
 - June 2 - First smallpox vaccination in North America, at Trinity, Newfoundland.
 - June 14 - Battle of Marengo, Napoleon defeats the Austrian troops near Marengo, Italy.
 
July - September
- September 5 - At the invitation of the Maltese, British troops liberate the Islands of Malta and Gozo from the French.
 - September 20 - Treaty of Mortefontaine signed between France, Britain, and the United States of America, ending the Quasi-War.
 - September 30 - Convention of 1800 is signed.
 
October - December
-  November 1
- U.S. President John Adams becomes the first President of the United States to live in the Executive Mansion (later renamed the White House).
 - Middlebury College is granted its charter by the Vermont General Assembly
 
 - November 17 - The U.S. Congress holds its first Washington, D.C. session.
 - December 3 - Battle of Hohenlinden, the French army defeats the German troops.
 -  December 24
- An assault on Napoleon Bonaparte fails in Paris.
 - Pierre Coudrin and Henriette Aymer de la Chevalerie found the Congregation of the Sacred Hearts of Jesus and Mary in Paris.
 
 
Undated
- The infrared radiation is discovered by William Herschel.
 - Electrolysis of water is discovered by Anthony Carlisle and William Nicholson by passing a voltaic current through water, generating hydrogen and oxygen.
 - The Althing of Iceland, the world's oldest parliament, is abolished.
 - Downing College, Cambridge is founded after a legal action in the Court of Chancery to enforce the will of Sir George Browning, 3rd Baronet.
 
Ongoing events
- French Revolutionary Wars (1792-1802)- Second Coalition/Egyptian Campaign
 - Napoleonic Wars (1799-1815)- Second Coalition/Egyptian Campaign
 
Births
| Gregorian calendar | 1800 MDCCC  | 
       
| Ab urbe condita | 2553 | 
| Armenian calendar | 1249 ԹՎ ՌՄԽԹ  | 
       
| Bahá'í calendar | -44 – -43 | 
| Berber calendar | 2750 | 
| Buddhist calendar | 2344 | 
| Burmese calendar | 1162 | 
| Chinese calendar | 4436/4496-12-7 ( 己未年十二月初七日) — to —  4437/4497-11-16( 庚申年十一月十六日)  | 
       
| Coptic calendar | 1516 – 1517 | 
| Ethiopian calendar | 1792 – 1793 | 
| Hebrew calendar | 5560 – 5561 | 
| Hindu calendars | |
| - Vikram Samvat | 1855 – 1856 | 
| - Shaka Samvat | 1722 – 1723 | 
| - Kali Yuga | 4901 – 4902 | 
| Holocene calendar | 11800 | 
| Iranian calendar | 1178 – 1179 | 
| Islamic calendar | 1214 – 1215 | 
| Japanese calendar |  Kansei 12 (寛政12年)  | 
       
| Korean calendar | 4133 | 
| Thai solar calendar | 2343 | 
January-June
- January 1 - Francis Egerton, 1st Earl of Ellesmere (died 1857)
 - January 6 - Anna Maria Hall, Irish writer (died 1889)
 - January 7 - Millard Fillmore, 13th President of the United States (died 1874)
 - January 11 - Anyos Jedlik, Hungarian physicist, the inventor of the Dynamo (1895)
 - January 12 - George Villiers, 4th Earl of Clarendon, English diplomat and statesman (died 1870)
 - January 14 - Ludwig von Köchel, Austrian musicologist (died 1877)
 - January 17 - Caleb Cushing, American statesman and diplomat (died 1879)
 - January 24 - Edwin Chadwick, English social reformer (died 1890 or did he?)
 - January 26
 - January 27 - John Evelyn Denison, 1st Viscount Ossington, English statesman (died 1875)
 - February 1 - Brian Houghton Hodgson, English civil servant (died 1894)
 - felix mendelson
 - February 6 - Achille Devéria, French painter and lithographer (died 1857)
 - February 9
 - February 11 - William Fox Talbot, English photographic pioneer (died 1877)
 - February 12 - John Edward Gray, British zoologist (died 1875)
 - February 23 - William Jardine, Scottish naturalist (died 1874)
 - February 26
 - March 2 - Evgeny Baratynsky, Russian poet (died 1844)
 - March 3 - Heinrich Georg Bronn, German geologist and paleontologist (died 1862)
 - March 4 - William Price, British physician and eccentric (died 1893)
 - March 12 - Louis Prosper Gachard, Belgian man of letters (died 1885)
 - March 13 - Koca Mustafa Reşid Pasha, Turkish statesman and diplomat
 - March 16 - Emperor Ninko of Japan (died 1846)
 - March 17 - Rudolf Ewald Stier, German Protestant churchman and mystic (died 1862)
 - March 20 - Gottfried Bernhardy, German philologist and literary historian (died 1875)
 - March 25
 - March 28 - Johann Georg Wagler, German herpetologist (died 1832)
 - April 2 - Andrzej Artur Zamoyski, Polish nobleman (died 1874)
 - April 4 - Tokugawa Nariaki, Japanese daimyo of Mito (died 1860)
 - April 15 - James Clark Ross, British naval officer and explorer (died 1862)
 - April 16
 - April 29 - Hiram Cronk, last surviving veteran of the War of 1812 (died 1905)
 - May 1 - James Black, creator of the original Bowie knife (died 1870)
 - May 5 - Louis Christophe François Hachette, French publisher (died 1864)
 - May 6 - Roman Sanguszko, Polish noble (died 1881)
 - May 8 - Armand Carrel, French writer (died 1836)
 - May 9
 - May 30 - Karl Wilhelm Feuerbach, German geometer (died 1827)
 - June 1 - Charles Fremantle, Royal Navy officer (died 1869)
 - June 2 - Nicholas P. Trist, secretary to Andrew Jackson (died 1874)
 - June 3 - Gustaw Potworowski, Polish activist (died 1860)
 - June 17 - William Parsons, 3rd Earl of Rosse, Irish astronomer (died 1867)
 - June 23 - Karol Marcinkowski, Polish physician and social activist (died 1846)
 - June 30 - Richard Bethell, 1st Baron Westbury, Lord Chancellor of Great Britain (died 1873)
 
July - December
- July 14 - Jean-Baptiste Dumas, French chemist (died 1884)
 - July 19 - Juan José Flores, first president of Ecuador (died 1864)
 - July 22
 - July 31
 - August 4 - Hercules L. Dousman, American trader and financier (died 1868)
 - August 5 - Ramón María Narváez y Campos, 1st Duke of Valencia, Spanish soldier and statesman (died 1868)
 - August 10 - Otto August Rosenberger, German astronomer (died 1890)
 - August 12
 - August 13 - Ippolito Rosellini, Italian Egyptologist (died 1843)
 - August 19
 - August 21 - Hiram Walden, American politician (died 1880)
 - August 22
 - August 25 - Karl Hase, German Protestant theologian and Church historian (died 1890)
 - September 6 - Catharine Beecher, American educator (died 1878)
 - September 11 - Daniel S. Dickinson, Confederate admiral (died 1866)
 - September 12
 - September 13
 - September 15 - Paul Friedrich, Grand Duke of Mecklenburg-Schwerin (died 1842)
 - September 19 - William McKean, admiral in the United States Navy (died 1865)
 - September 20
 - September 22
 - September 23 - William Holmes McGuffey, American professor who created the McGuffey Readers (died 1873)
 - September 30 - Decimus Burton, prolific English architect and garden designer (died 1881)
 - October 1 - Lars Levi Laestadius, Swedish Lutheran pastor of Sami ancestry (died 1861)
 - October 2 - Nat Turner, American slave rebel (died 1831)
 - October 3 - George Bancroft, American historian and statesman (died 1891)
 - October 8 - Jules Desnoyers, French geologist and archaeologist (died 1887)
 - October 18 - Henry Taylor, English dramatist (died 1886)
 - October 22 - Christian Lassen, German orientalist (died 1876)
 - October 23 - Henri Milne-Edwards, French zoologist (died 1885)
 - October 25
 - October 26 - Helmuth von Moltke the Elder, German field marshal (died 1891)
 - October 27 - Benjamin Wade, U.S. lawyer and politician (died 1878)
 - November 4
 - November 17 - Achille Fould, French financier and politician (died 1867)
 - November 18 - John Nelson Darby, British evangelist (died 1882)
 - November 22 - Linn Boyd, U.S. politician (died 1859)
 - December 1 - Mihály Vörösmarty, Hungarian poet (died 1855)
 - December 3 - France Prešeren, Slovenian poet (died 1849)
 - December 4
 - December 5 - Thomas Ford, governor of Illinois (died 1850)
 - December 7 - Giuseppe Gené, Italian naturalist and author (died 1847)
 - December 20 - Charles Wood, 1st Viscount Halifax, English statesman (died 1885)
 - December 25 - John Phillips, English geologist (died 1874)
 - December 27 - John Goss, English organist and composer (died 1880)
 - December 29 - Charles Goodyear, American rubber magnate (died 1860)
 - date unknown
- Elias Boudinot, Cherokee who started and edited the tribe's first newspaper (died 1839)
 - John McLeod Campbell, Scottish churchman (died 1872)
 - Martín Perfecto de Cos, Mexican general (died 1854)
 - James Glynn, United States Navy officer (died 1871)
 - Edwin Guest, English antiquary (died 1880)
 - Frederick Yeates Hurlstone, English painter (died 1869)
 - Thomas Henry Lister, English novelist (died 1842)
 - William Simson, Scottish painter (died 1847)
 - Harriet Smithson, Irish actress (died 1854)
 - Jacob Westervelt, American shipbuilder and mayor of New York (died 1856)
 
 - probable
- Richard Lawrence, attempted assassin of Andrew Jackson (died 1861)
 - William Nicholson, officer in the United States Navy (died 1872)
 
 
Deaths
January-June
- January 1 - Louis-Jean-Marie Daubenton,
 -  January 6
- William Jones, English divine (born 1726)
 - Friedrich Adolf Riedesel, German soldier (born 1738)
 
 - January 9 - Jean Étienne Championnet, French general (born 1762)
 - January 13 - Dempsey Burges, Republican U.S. Congressman (born 1751)
 - January 20 - Thomas Mifflin, fifth President of the United States in Congress assembled under the Articles of Confederation (born 1744)
 - January 22 - George Steevens, English Shakespearean commentator (born 1736)
 - January 23 - Edward Rutledge, U.S. statesman (born 1749)
 - February 2 - James C. Jarvis, United States Navy officer (born 1787)
 - February 23 - Joseph Warton, English academic and literary critic (born 1722)
 - March - Joseph de Guignes, French orientalist (born 1721)
 - March 1 - John Hazelwood, officer in the Continental Navy (born 1726)
 - March 14 - Daines Barrington, English naturalist (born 1727)
 - March 21 - William Blount, U.S. statesman (born 1749)
 - March 29 - Marc René, marquis de Montalembert, French military engineer and writer (born 1714)
 - April 13 - Kazimierz Poniatowski, Polish nobleman (born 1721)
 -  April 25
- Ezekiel Cornell, Continental Congressman from Rhode Island (born 1732)
 - William Cowper, English poet (born 1731)
 
 - May 4 - Armand, duc d'Aiguillon (born 1750)
 - May 7 - Niccola Piccinni, Italian composer (born 1728)
 - May 18 - Alexander Suvorov, Count of Rymnik (born 1729)
 - June 14
 - June 20 - Abraham Gotthelf Kästner, German mathematician (born 1719)
 - June 24 - Charles Stewart, American revolutionary (born 1729)
 - June 28 - Théophile Corret de la Tour d'Auvergne, Grenadier officer in the French army (born 1743)
 - June 30 - Thomas Townshend, 1st Viscount Sydney, British politician (born 1732)
 
July-December
- July 14 - Lorenzo Mascheroni, Italian mathematician (born 1750)
 - July 18 - John Rutledge, governor of South Carolina (born 1739)
 - August 24 - Rawlins Lowndes, American lawyer and jurist (born 1721)
 - August 25 - Elizabeth Montagu, English literary critic (born 1720)
 - August 31 - John Blair, American politician (born 1732)
 - September 2 - Maciej Radziwiłł, Polish nobleman (born 1749)
 - September 26 - William Billings, American choral composer (born 1746)
 - September 27 - William Gibbons, American lawyer and revolutionary (born 1726)
 - September 29 - Michael Denis, Austrian poet (born 1729)
 - October 4 - Johann Hermann, German physician and naturalist (born 1738)
 - October 10 - Gabriel Prosser,
 - October 16 - Benjamin Huntington, American lawyer and politician (born 1736)
 - October 28 - Artemas Ward, American Major General in the American Revolutionary War and a Congressman from Massachusetts (born 1727)
 - November 5 - Jesse Ramsden, English astronomical instrument maker (born 1735)
 - November 14 - François Claude Amour, marquis de Bouillé, French general (born 1739)
 - November 30 - Matthew Robinson, 2nd Baron Rokeby, English eccentric nobleman (born 1712)
 - December 7 - Wilhelm von Knyphausen, Hessian Lieutenant-General (born 1716)
 - December 17 - William Peery, American farmer and lawyer (born 1743)
 - December 26 - Mary Robinson, English poet (born 1756)
 - December 27 - Hugh Blair, Scottish Presbyterian preacher and man of letters (born 1718)
 - date unknown
- Jean-Baptiste Audebert, French artist and naturalist
 - Samuel Barrington, British admiral (born 1729)
 - Thomas Conway, Irish soldier (born 1734)
 - Henry Cort, English ironmaster
 - George Dixon, English sea captain and explorer (born 1755)
 - Charles Johnstone, Irish writer (born 1719)
 - Aleksander August Zamoyski, Polish nobleman
 
 
