View source for 1800

{{Use mdy dates|date=March 2011}}
{{Year dab|1800}}
{{Year nav|1800}}
[[File:Jacques-Louis David 007.jpg|thumb|right|[[May 15]]: [[Napoleon I of France|Napoleon]] begins crossing the [[Alps]].]]
{{C18 year in topic}}
{{Year article header|1800}}

As of [[March 1]] ([[Old Style|O.S.]] [[February 18]]), when the Julian calendar acknowledged a leap day and the Gregorian calendar did not, the Julian calendar fell one day farther behind, bringing the difference to 12 days until [[February 28]] ([[Old Style|O.S.]] [[February 16]]), 1900.

== Events ==
=== January&ndash;March ===
* [[January 1]]
** [[Quasi-War]]: [[Action of 1 January 1800]] &ndash; A naval battle off the coast of [[Haiti]], between four United States merchant vessels escorted by naval schooner {{USS|Experiment|1799|6}}, and a squadron of armed barges manned by Haitian pirates (known as [[wikt:picaroon|picaroons]]), under the command of general [[André Rigaud]], ends indecisively.
** The [[Dutch East India Company]] dissolves.
* [[February 7]] &ndash; A public [[1800 French constitutional referendum|plebiscite in France]] confirms [[Napoleon]] as [[First Consul]], by a substantial majority.
* [[February 11]] &ndash; [[Infrared radiation]] is discovered by astronomer [[Sir William Herschel]].
* [[February 22]] &ndash; The [[Baker rifle]], designed by [[Ezekiel Baker]], is selected by the British [[Board of Ordnance]] as a new standard.
* {{anchor|March}}[[March 14]] &ndash; [[Papal conclave, 1799–1800]]: cardinal Barnaba Chiaramonti succeeds [[Pope Pius VI|Pius VI]] as [[Pope Pius VII|Pius VII]], the 251st pope. He is crowned on [[March 21]], in Venice.
* [[March 17]] &ndash; The British [[Royal Navy]] [[ship of the line]], {{HMS|Queen Charlotte|1790}}, catches fire off the coast of [[Capraia]], with the loss of 673 lives.<ref name="People's Chronology">{{cite book|chapter=1800|title=The People's Chronology|editor=Everett, Jason M.|publisher=Thomson Gale|year=2006}}</ref>
* [[March 20]] &ndash; [[Alessandro Volta]] describes his new invention, the [[voltaic pile]], the first chemical [[Battery (electricity)|battery]], in a letter to the [[Royal Society]] of London.
* [[March 26]] &ndash; British [[Royal Navy]] officer [[Henry Waterhouse]] first charts the [[Antipodes Islands]].

=== April&ndash;June ===
* [[April 2]]
** [[Ludwig van Beethoven]]'s ''[[Symphony No. 1 (Beethoven)|Symphony No. 1]]'' premieres at the [[Burgtheater]], in [[Vienna]].
** The [[Treaty of Constantinople (1800)|Treaty of Constantinople]] establishes the [[Septinsular Republic]], the first autonomous Greek state since the [[Fall of the Byzantine Empire]].
* [[April 3]] &ndash; The first voting, albeit indirect, begins in the [[1800 United States presidential election]] as voters in the state of [[New York (state)|New York]] make [[1800 United States presidential election in New York|their selections for the New York state legislature]], which in turn will vote on October 31 for the state's 12 presidential electors.<ref>''Manual of Westchester County, Past and Present'' (Henry T. Smith, 1898) p. 16</ref> A majority of state legislature members are from the [[Democratic-Republican Party]], rather than the Federalist Party. At the time, only 4 of the 16 U.S. states (Kentucky, Maryland, North Carolina and Virginia) have a popular vote for the presidential electors and the President. The other 12, including New York, have a popular vote for the state legislature, but not for the president. At the time, neither of the major parties have picked their nominees for president and vice president. The result will not be certified until February, [[1801]].<ref>''Narrative and Critical History of America'', ed. by Justin Winsor (Houghton Mifflin, 1888) p. 269</ref> 
* [[April 6]] &ndash; [[War of the Second Coalition]]: [[Siege of Genoa (1800)|Siege of Genoa]] &ndash; General [[André Masséna]] is surrounded by 40,000 Austrian troops under Field Marshal [[Michael von Melas]] and blockaded by a strong British [[Squadron (naval)|squadron]] under Lord [[George Elphinstone, 1st Viscount Keith|Keith]].<ref>{{cite book|first=Reginald George|last=Burton|year=2010|title=Napoleon's Campaigns in Italy 1796–1797 & 1800|page=107|publisher=Leonaur Limited |isbn=978-0-85706-356-4}}</ref>
* [[April 24]] &ndash; The U.S. [[Library of Congress]] is founded in Washington, D.C.<ref>{{Cite web |title=Today in History - April 24 |url=https://www.loc.gov/item/today-in-history/april-24/ |access-date=2025-07-12 |website=Library of Congress, Washington, D.C. 20540 USA}}</ref>
* [[May 14]] &ndash; [[Italian campaigns of the French Revolutionary Wars#Second Coalition (1799–1800)|Second Coalition]]: French forces under General [[Louis-Alexandre Berthier]] are halted by 400 Austro-Piedmont soldiers, at [[Fort Bard]] in the [[Aosta Valley]].<ref>{{cite book|first=Reginald George|last=Burton|year=2010|title=Napoleon's Campaigns in Italy 1796–1797 & 1800|page=115|publisher=Leonaur Limited |isbn=978-0-85706-356-4}}</ref>
* [[May 15]] &ndash; [[Napoleon]] and his French army (40,000 men)—not including the [[field artillery]] and [[Train (military)|baggage trains]]—(35,000 [[Artillery|light artillery]] and [[infantry]], 5,000 [[cavalry]]) begin crossing the [[Alps]]. He selects the shortest route through the [[Great St Bernard Pass]], and invades after five days traversing the northern region of [[Italy]].
* [[June 2]] &ndash; The first [[smallpox]] [[vaccination]] is made in North America, at [[Trinity Bight, Newfoundland and Labrador|Trinity, Newfoundland]].
* [[June 3]] &ndash; U.S. President [[John Adams]] moves to [[Washington, D.C.|Washington]]. Because the [[White House|President's Mansion]] is still under construction, President Adams takes up residence at Tunnicliffe's City Hotel near the unfinished U.S. Capitol Building.<ref>{{cite web|url=http://www.history.com/this-day-in-history/president-john-adams-moves-into-a-tavern-in-washington-d-c|title=1800: President John Adams moves into a tavern in Washington, D.C.|work=This Day in History|publisher=history.com|url-status=live|archive-url=https://web.archive.org/web/20150401120120/http://www.history.com/this-day-in-history/president-john-adams-moves-into-a-tavern-in-washington-d-c|archive-date=1 April 2015}}</ref>
* [[June 4]] &ndash; [[War of the Second Coalition]]: [[Siege of Genoa (1800)|Siege of Genoa]] &ndash; The French army is evacuated from Genoa. Marshal [[André Masséna]] is allowed to march out, with all the honours of war. A portion of his force joins General [[Louis-Gabriel Suchet]], and the rest is conveyed in British ships to [[Antibes]].<ref>{{cite book|first=Reginald George|last=Burton|year=2010|title=Napoleon's Campaigns in Italy 1796–1797 & 1800|page=121|publisher=Leonaur Limited |isbn=978-0-85706-356-4}}</ref>
* [[June 14]]
** [[War of the Second Coalition]]: [[Battle of Marengo]] &ndash; Napoleon defeats the Austrian troops near Marengo, Italy.
** French general [[Jean-Baptiste Kléber]] is assassinated in [[Cairo]] by Syrian [[Kurdish people|Kurdish]] Muslim student [[Suleiman al-Halabi]].
* [[June 15]] &ndash; [[Convention of Alessandria]] (Armistice of Marengo): Austria agrees to evacuate much of Italy.
* [[June 19]] &ndash; [[War of the Second Coalition]]: [[Battle of Höchstädt (1800)|Battle of Höchstädt]] &ndash; General [[Jean Victor Marie Moreau]] leads French forces to victory, opening the [[Danube]] passageway to Vienna.
* [[June 27]] &ndash; [[War of the Second Coalition]]: [[Battle of Neuburg (1800)|Battle of Neuburg]] &ndash; General [[Claude Lecourbe]] leads French forces to victory, securing control of the [[Danube]] from Austria.

=== July&ndash;September ===
* [[July 2]] &ndash; The [[Acts of Union 1800|Union with Ireland Act 1800]] is passed by the [[Parliament of Great Britain]]; the Irish Parliament passes similar legislation in the following month, uniting the two kingdoms<ref>{{cite web|url=http://www.parliament.uk/actofunion/|title=Act of Union 1707|work=www.parliament.uk|year=2007|access-date=2012-08-10|url-status=dead|archive-url=https://web.archive.org/web/20081015044930/http://www.parliament.uk/actofunion/|archive-date=2008-10-15}}</ref><ref>''[[s:Act of Union 1707|Act of Union 1707]]''.</ref><ref>{{cite web|title=Act of Union Timeline|work=Act of Union Virtual Library|url=http://www.actofunion.ie/timeline.htm|access-date=2013-04-24|archive-url=https://web.archive.org/web/20041212131051/http://www.actofunion.ie/timeline.htm|archive-date=December 12, 2004|url-status=live}}</ref> and abolishing the Parliament of Ireland.
* [[July 10]] &ndash; [[Fort William College]] is established by [[Richard Wellesley, 1st Marquess Wellesley|Lord Wellesley]], British [[Governor-General of India]], in [[Calcutta]], to promote [[Bengali language|Bengali]], [[Hindi]] and other [[vernacular]]s of the [[Indian subcontinent]].
* [[August 1]] &ndash; King George III gives royal assent to the [[Acts of Union 1800|second Act of Union]] to unite the [[Kingdom of Great Britain]] and [[Kingdom of Ireland]] (both ruled by him) into the [[United Kingdom of Great Britain and Ireland]], effective on January 1, 1801.<ref>{{cite book|first=John O'Beirne|last=Ranelagh|title=A Short History of Ireland|publisher=Cambridge University Press|year=2012|page=102}}</ref>
* [[August 30]] &ndash; The plot by African-American blacksmith and slave [[Gabriel Prosser]] to seize [[Richmond, Virginia]], and guide a slave uprising, is thwarted by a massive downpour on the evening that it is set to begin; two other slaves have revealed Prosser's plans to authorities, who have prepared to follow him to the rendezvous point and arrest the conspirators, so that "neither the geographical extent of the plot nor the number of insurgents in the conspiracy was revealed";<ref>{{cite book|first=Michael L.|last=Nicholls|title=Whispers of Rebellion: Narrating Gabriel's Conspiracy|publisher=University of Virginia Press|year=2012}}</ref> eventually, 25 slaves, including Prosser, will be captured, tried and hanged.
* [[September 4]] &ndash; [[Siege of Malta (1798–1800)]]: The French garrison in [[Valletta]] surrenders to British troops, who had been called at the invitation of the [[Maltese people|Maltese]]. The islands of [[Malta (island)|Malta]] and [[Gozo]] become the [[Malta Protectorate]].
* [[September 30]] &ndash; The [[Convention of 1800]], or Treaty of Mortefontaine, is signed between France and the United States of America, ending the [[Quasi-War]].<ref>{{cite web|url=http://avalon.law.yale.edu/19th_century/fr1800.asp|title=France - Convention of 1800: Text of the Treaty|work=The Avalon Project|publisher=Yale Law School|access-date=October 27, 2009|archive-url=https://web.archive.org/web/20091001112546/http://avalon.law.yale.edu/19th_century/fr1800.asp|archive-date=October 1, 2009|url-status=live}}</ref>

=== October&ndash;December ===
* [[October 1]] &ndash; [[Third Treaty of San Ildefonso]]: Spain returns [[Louisiana (New Spain)]] to France, in return for the [[Tuscany]] area of Italy.
* [[October 7]] &ndash; French [[privateer]] [[Robert Surcouf]] leads the 150-man crew of his corvette {{ship||Confiance|1797 ship|2}} to capture the 40-gun, 437-man British [[East Indiaman]] {{ship||Kent|1799 ship|2}} in the [[Indian Ocean]].
* [[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]] &ndash; The [[United States Congress]] holds its first Washington, D.C., session.<ref>{{Cite web |last=González |first=Jennifer |date=2015-11-17 |title=On This Day: Congress Moves to Washington, D.C. {{!}} In Custodia Legis |url=https://blogs.loc.gov/law/2015/11/on-this-day-congress-moves-to-washington-d-c |access-date=2025-09-12 |website=The Library of Congress}}</ref>
* [[November 22]] &ndash; [[War of the Second Coalition]]: Hostilities resume.
[[File:Bataille de Hohenlinden.jpg|thumb|right|[[December 3]]: [[Battle of Hohenlinden]].]]
* [[December 3]]
** [[War of the Second Coalition]]: [[Battle of Hohenlinden]] &ndash; The French army defeats [[Habsburg monarchy|Habsburg]] and [[Electorate of Bavaria|Bavaria]]n troops.
** The [[1800 United States presidential election]]: The Electoral College casts votes for president and Vice President that results in a tie between [[Thomas Jefferson]] and [[Aaron Burr]], requiring a [[contingent election]] which will select Jefferson as president.
* [[December 24]]
** The [[Plot of the rue Saint-Nicaise]] fails to kill [[Napoleon Bonaparte]].
** [[Peter Coudrin|Pierre Coudrin]] and Henriette Aymer de la Chevalerie found the [[Congregation of the Sacred Hearts of Jesus and Mary]] in Paris.
* [[December 25]] – The [[Armistice of Steyr]] is signed between French and Imperial forces in Germany, ending active hostilities of the [[War of the Second Coalition]] in Germany.

== World population ==
{{Main|List of countries by population in 1800}}

== Births ==

=== January&ndash;June ===
[[File:Martha Christina Tiahahu 1999 Indonesia stamp.jpg|thumb|right|110px|[[Martha Christina Tiahahu]]]]
[[File:George Hudson - Project Gutenberg eText 17293.jpg|thumb|right|110px|[[George Hudson]]]]
[[File:Anna-Maria-Hall.JPG|thumb|right|110px|[[Anna Maria Hall]]]]
[[File:Mustafa reshid pasha.jpg|thumb|right|110px|[[Mustafa Reşid Pasha]]]]
[[File:1846-47 John Brown by Augustus Washington (without frame).jpg|thumb|right|110px|[[John Brown (abolitionist)|John Brown]]]]
[[File:Elizabeth Ann Whitney.jpg|thumb|right|110px|[[Elizabeth Ann Whitney]]]]
* [[January 1]] &ndash; [[Francis Egerton, 1st Earl of Ellesmere]], English landowner (d. [[1857]])
* [[January 4]] &ndash; [[Martha Christina Tiahahu]], [[Moluccas|Moluccan]] freedom fighter, national heroine of Indonesia (d. [[1818]])
* [[January 6]] &ndash; [[Anna Maria Hall]], Irish writer (d. [[1881]])<ref>{{DNB|wstitle=Hall, Anna Maria |first=George Clement |last=Boase|authorlink = George Clement Boase|volume=24}}</ref>
* [[January 7]] &ndash; [[Millard Fillmore]], 13th [[President of the United States]] (d. [[1874]])
* [[January 11]] &ndash; [[Ányos Jedlik]], Hungarian physicist, inventor of the [[dynamo]] (d. [[1895]])
* [[January 12]] &ndash; [[George Villiers, 4th Earl of Clarendon]], English diplomat, statesman (d. [[1870]])
* [[January 14]] &ndash; [[Ludwig von Köchel]], Austrian musicologist (d. [[1877]])
* [[January 17]] &ndash; [[Caleb Cushing]], American statesman, diplomat (d. [[1879]])
* [[January 24]] &ndash; [[Edwin Chadwick]], English social reformer (d. [[1890]])
* [[January 26]]
*[[Johann Gerhard Oncken]], German Baptist preacher (d. [[1884]])
*[[Elizabeth Ann Whitney]], American [[Mormon]] leader (d. [[1882]])
* [[January 27]] &ndash; [[Evelyn Denison, 1st Viscount Ossington]], English statesman (d. [[1875]])
* [[February 1]] &ndash; [[Brian Houghton Hodgson]], English civil servant (d. [[1894]])
* [[February 6]] &ndash; [[Achille Devéria]], French painter, lithographer (d. [[1857]])
* [[February 9]]
*[[Hyrum Smith]], American religious leader (d. [[1844]])
*[[Joseph von Führich]], Austrian painter (d. [[1876]])
* [[March 2]] &ndash; [[Yevgeny Baratynsky]], Russian poet (d. [[1844]])<ref>{{Cite EB1911|wstitle=Baratynski, Jewgenij Abramovich}}</ref>
* [[March 3]] &ndash; [[Heinrich Georg Bronn]], German geologist, paleontologist (d. [[1862]])
* [[March 4]] &ndash; [[William Price (physician)|William Price]], Welsh physician, eccentric (d. [[1893]])
* [[March 10]]
**[[Victor Aimé Huber]], German social reformer (d. [[1869]])
**[[George Hudson]], English railway financier (d. [[1871]])
* [[March 13]] &ndash; [[Mustafa Reşid Pasha]], Turkish statesman, diplomat (d. [[1858]])
* [[March 16]] &ndash; [[Emperor Ninkō]] of Japan (d. [[1846]])
* [[March 17]] &ndash; [[Rudolf Ewald Stier]], German Protestant churchman, mystic (d. [[1862]])
* [[March 20]]
**[[Braulio Carrillo Colina]], Costa Rican head of state, politician (d. [[1845]])
**[[Gottfried Bernhardy]], German philologist, literary historian (d. [[1875]])
*[[March 25]] &ndash; [[Ernst Heinrich Karl von Dechen]], German geologist, mineralogist (d. [[1889]])
* [[March 28]] &ndash; [[Johann Georg Wagler]], German herpetologist (d. [[1832]])
* [[April 2]] &ndash; [[Andrzej Artur Zamoyski]], Polish nobleman (d. [[1874]])
* [[April 4]] &ndash; [[Tokugawa Nariaki]], Japanese daimyō of Mito (d. [[1860]])
* [[April 10]] &ndash; [[Henri-Gustave Delvigne]], French soldier, weapon inventor (d. [[1876]])
* [[April 15]] &ndash; [[James Clark Ross]], British naval officer, explorer (d. [[1862]])
* [[April 16]]
**[[Jakob Heine]], German orthopaedist (d. [[1879]])
**[[George Bingham, 3rd Earl of Lucan]], British soldier (d. [[1888]])
* [[May 1]] &ndash; [[James Black (blacksmith)|James Black]], American bladesmith, creator of the original Bowie knife (d. [[1870]])
* [[May 4]] &ndash; [[John McLeod Campbell]], Scottish churchman (d. [[1872]])
* [[May 5]] &ndash; [[Louis Christophe François Hachette]], French publisher (d. [[1864]])<ref>{{cite EB1911 |wstitle=Hachette, Louis Christophe François |volume=12 |page=793}}</ref>
* [[May 6]] &ndash; [[Roman Sanguszko]], Polish noble (d. [[1881]])
* [[May 9]] &ndash; [[John Brown (abolitionist)|John Brown]], American abolitionist (d. [[1859]])
* [[May 30]] &ndash; [[Karl Wilhelm Feuerbach]], German geometer (d. [[1834]])
* [[June 1]] &ndash; [[Charles Fremantle]], British Royal Navy officer (d. [[1869]])
* [[June 2]] &ndash; [[Nicholas P. Trist]], secretary to President [[Andrew Jackson]] of the U.S. (d. [[1874]])
* [[June 3]] &ndash; [[Gustaw Potworowski]], Polish activist (d. [[1860]])
* [[June 12]] &ndash; [[Samuel Wright Mardis]], American politician (d. [[1836]])
* [[June 17]] &ndash; [[William Parsons, 3rd Earl of Rosse]], Irish astronomer (d. [[1867]])
* [[June 23]] &ndash; [[Karol Marcinkowski]], Polish physician, social activist (d. [[1846]])
* [[June 30]] &ndash; [[Richard Bethell, 1st Baron Westbury]], Lord Chancellor of Great Britain (d. [[1873]])

=== July&ndash;December ===
[[File:Friedrich Wöhler Litho.jpg|thumb|right|110px|[[Friedrich Wöhler]]]]
[[File:Helmuth Karl Bernhard von Moltke.jpg|thumb|right|110px|[[Helmuth von Moltke the Elder]]]]
[[File:Southworth and Hawes - Charles Goodyear (Zeno Fotografie) crop.png|alt=|thumb|139x139px|[[Charles Goodyear]]]]
* [[July 15]] &ndash; [[Sidney Breese]], American senator from Illinois, ''father of the [[Illinois Central Railroad]]'' (d. [[1878]])
* [[July 19]] &ndash; [[Juan José Flores]], 2-time President of Ecuador (d. [[1864]])
* [[July 21]] &ndash; [[Constance Trotti]], Belgian salonniére, culture patron (d. [[1871]])
* [[July 24]] &ndash; [[Henry Shaw (philanthropist)|Henry Shaw]], American botanist (d. [[1889]])
* [[July 29]] &ndash; [[George Bradshaw]], English timetable publisher (d. [[1853]])
* [[July 31]] &ndash; [[Friedrich Wöhler]], German chemist (d. [[1882]])
* [[August 12]] &ndash; [[Jean-Jacques Ampère]], French philologist, writer and historian (d. [[1864]])
* [[August 20]] &ndash; [[Bernhard Heine]], German physician, bone specialist and inventor (d. [[1846]]) 
* [[August 22]]
**[[Edward Bouverie Pusey]], English churchman (d. [[1882]])
**[[Frank Stone (painter)|Frank Stone]], English painter (d. [[1859]])
* [[September 1]] &ndash; [[Giuseppe Gabriel Balsamo-Crivelli]], Italian naturalist (d. [[1874]])
* [[September 22]] &ndash; [[George Bentham]], English botanist (d. [[1884]])
* [[October 14]] &ndash; [[John Hogan (sculptor)|John Hogan]], Irish sculptor (d. [[1858]])
* [[October 19]] &ndash; [[Salome Sellers]], American centenarian, last surviving person from the 18th century (d. [[1909]])
* [[October 23]] &ndash; [[Henri Milne-Edwards]], French zoologist (d. [[1885]])
* [[October 26]] &ndash; [[Helmuth von Moltke the Elder]], German field marshal (d. [[1891]])
* [[November 21]] &ndash; [[Barney Aaron]], English [[bare-knuckle boxer]] (d. [[1850]])
* [[December 3]] &ndash; [[France Prešeren]], Slovenian romantic poet (d. [[1849]])
* [[December 25]] &ndash; [[John Phillips (geologist)|John Phillips]], English geologist (d. [[1874]])
* [[December 29]] &ndash; [[Charles Goodyear]], American inventor of the vulcanization process (d. [[1860]])

== Deaths ==

=== January&ndash;June ===
[[File:William-blount-wb-cooper.jpg|thumb|right|110px|[[William Blount]]]]
[[File:Joseph Kreutzinger - Portrait of Count Alexander Suvorov - WGA12281.jpg|thumb|right|110px|[[Alexander Suvorov]]]]
[[File:Jean Broc - "Death of general Desaix".jpg|thumb|''[[The Death of General Desaix]]'' by [[Jean Broc]]]]
* [[January 1]] &ndash; [[Louis-Jean-Marie Daubenton]], French naturalist (b. [[1716]])
* [[January 3]] &ndash; [[Count Karl-Wilhelm Finck von Finckenstein]], Prime Minister of Prussia (b. [[1714]])
* [[January 6]]
*[[William Jones (1726–1800)|William Jones]], English divine (b. [[1726]])
*[[Friedrich Adolf Riedesel]], German soldier (b. [[1738]])
* [[January 9]] &ndash; [[Jean Étienne Championnet]], French general (b.[[1762]])
* [[January 11]] &ndash; [[Kyra Frosini]], Greek heroine (b. [[1773]])
* [[January 16]] &ndash; [[Johann Christian Wiegleb]], German chemist (b. [[1732]])
* [[January 20]] &ndash; [[Thomas Mifflin]], first [[Governor of Pennsylvania]] (b. [[1744]])
* [[January 23]] &ndash; [[Edward Rutledge]], U.S. statesman (b. [[1749]])
* [[February 4]] &ndash; [[Charlotte Sophie of Aldenburg]], German sovereign (b. [[1715]])
* [[February 7]] &ndash; [[Anna Jabłonowska]], Polish magnate and politician (b. [[1728]])
* [[February 27]] &ndash; [[Adélaïde of France]], French princess (b.1732)
* [[March 1]] &ndash; [[John Hazelwood]], English-born officer in the U.S. Continental Navy (b. [[1726]])
* [[March 13]] &ndash; [[Nana Fadnavis]], Maratha statesman (b. [[1742]])
* [[March 14]] &ndash; [[Daines Barrington]], English naturalist (b. [[1727]])
* [[March 19]] &ndash; [[Joseph de Guignes]], French orientalist (b. [[1721]])
* [[March 21]] &ndash; [[William Blount]], U.S. statesman (b. [[1749]])
* [[March 29]] &ndash; [[Marc René, marquis de Montalembert]], French military engineer and writer (b. [[1714]])<ref>{{Cite AmCyc|wstitle=Montalembert|display=Montalembert. I. Marc René de, marquis}}</ref>
* [[April 13]] &ndash; [[Kazimierz Poniatowski]], Polish nobleman (b. [[1721]])
* [[April 21]] &ndash; [[Johan August Meijerfeldt the Younger]], Swedish field marshal (b. [[1725]])
* [[April 22]] &ndash; [[George Paulet, 12th Marquess of Winchester]], British politician (b. [[1722]])
* [[April 25]]
*[[Israel Acrelius]], Swedish missionary and clergyman (b. [[1714]])
*[[Ezekiel Cornell]], Continental Congressman from Rhode Island (b. [[1732]])
*[[William Cowper]], English poet (b. [[1731]])<ref>{{cite book|author=Thomas Taylor|title=The Life of William Cowper, Esq|url=https://books.google.com/books?id=hPIEAAAAYAAJ&pg=PA259|year=1841|publisher=Key & Biddle|pages=259}}</ref>
* [[May 7]] &ndash; [[Niccolò Piccinni]], Italian composer (b. [[1728]])
* [[May 23]] &ndash; [[Henry Cort]], English ironmaster (b. [[1740]])
* [[May 18]] &ndash; [[Alexander Suvorov]], Count of Rymnik (b. [[1729]])
* [[May 29]] &ndash; [[Charlotte Slottsberg]], Swedish ballerina (b. [[1760]])
* [[June 2]] &ndash; [[Ingeborg Akeleye]], Norwegian noble known for her love life (b. [[1741]]) 
* [[June 14]]
*[[Louis Charles Antoine Desaix]], French military leader (killed in battle) (b. [[1768]])
*[[Jean-Baptiste Kléber]], French general (assassinated) (b. [[1753]])
* [[June 18]] &ndash; [[Francis V de Beauharnais]], French nobleman, soldier, politician, colonial governor and admiral (b. [[1714]])
* [[June 20]] &ndash; [[Abraham Gotthelf Kästner]], German mathematician (b. [[1719]])
* [[June 24]] &ndash; [[Charles Stewart (1729–1800)|Charles Stewart]], American revolutionary (b. [[1729]])
* [[June 28]]
*[[Heinrich XI, Prince Reuss of Greiz]], German noble (b. [[1722]])
*King [[Jeongjo of Joseon]], 22nd ruler of the Joseon dynasty of Korea (b. [[1752]])
*[[Théophile Corret de la Tour d'Auvergne]], grenadier officer in the French army (b. [[1743]])
* [[June 30]] &ndash; [[Thomas Townshend, 1st Viscount Sydney]], British politician (b. [[1732]])

=== July&ndash;December ===
[[File:Gainsborough Mary-Robinson.jpg|thumb|right|110px|[[Mary Robinson (poet)|Mary Robinson]]]]
* [[July 14]] &ndash; [[Lorenzo Mascheroni]], Italian mathematician (b. [[1750]])
* [[July 18]] &ndash; [[John Rutledge]], governor of South Carolina (b. [[1739]])
* [[August 12]] &ndash; [[Anne-Catherine de Ligniville, Madame Helvétius]], French salon holder (b. [[1722]])
* [[August 16]] &ndash; [[Samuel Barrington]], English admiral (b. [[1729]])
* [[August 25]] &ndash; [[Elizabeth Montagu]], English literary critic (b. [[1718]])<ref>{{ODNBweb |id=19014 |title=Montagu, Elizabeth |first=Barbara Brandon |last=Schnorrenberg}}</ref>
* [[August 31]] &ndash; [[John Blair Jr.|John Blair]], American politician (b. [[1732]])
* [[September 2]] &ndash; [[Maciej Radziwiłł]], Polish nobleman (b. [[1749]])
* [[September 3]] &ndash; [[Elżbieta Branicka]], Polish szlachta and politician (b. [[1734]]) 
* [[September 10]] &ndash; [[Johann David Schoepff]], German naturalist, doctor (b. [[1752]])
* [[September 23]] &ndash; [[Dominique de La Rochefoucauld]], French Catholic cardinal (b. [[1712]])
* [[September 26]] &ndash; [[William Billings]], American choral composer (b. [[1746]])
* [[September 27]] &ndash; [[William Gibbons (congressman)|William Gibbons]], American lawyer, revolutionary (b. [[1726]])
* [[October 4]] &ndash; [[Johann Hermann]], German physician, naturalist (b. [[1738]])
* [[October 10]] &ndash; [[Gabriel Prosser]], American slave revolutionary (b. approx. [[1776]])
* [[October 16]] &ndash; [[Benjamin Huntington]], American lawyer, politician (b. [[1736]])
* [[October 28]] &ndash; [[Artemas Ward]], American Major General in the American Revolutionary War, Congressman from Massachusetts (b. [[1727]])
* [[October 29]] &ndash; [[Koide Ichijūrō]], kabuki composer and performer (b. date unknown)
* [[November 5]] &ndash; [[Jesse Ramsden]], English astronomical instrument maker (b. [[1735]])
* [[November 14]] &ndash; [[François Claude Amour, marquis de Bouillé]], French general (b. [[1739]])
* [[November 25]] &ndash; [[Francisco Bouligny]], former military governor of [[Spanish Louisiana]] (b. [[1736]])
* [[November 30]] &ndash; [[Matthew Robinson, 2nd Baron Rokeby]], English eccentric nobleman (b. [[1712]])
* December &ndash; [[Jean-Baptiste Audebert]], French artist, naturalist (b. [[1759]])
* [[December 7]] &ndash; [[Wilhelm von Knyphausen]], Hessian Lieutenant-General (b. [[1716]])
* [[December 27]] &ndash; [[Hugh Blair]], Scottish Presbyterian preacher, man of letters (b. [[1718]])
* [[December 30]] &ndash; [[Thomas Dimsdale]], English physician, banker (b. [[1712]])

=== Date unknown ===

* [[Marie-Louise-Adélaïde Boizot]], French engraver (b. [[1744]])

== References ==
{{Reflist}}

{{DEFAULTSORT:1800}}
[[Category:1800| ]]