- Jan 1 Dutch East Indies Company dissolves
- Jan 2 Free African American community of Philadelphia petitions US Congress to abolish the slave trade
- Jan 5 1st Swedenborgian temple in US holds 1st service in Baltimore
- Jan 8 Austrians defeat French in Second Battle of Novi
- Jan 8 Wild Boy of Aveyron (approx.12) discovered in southern France after possibly 7 years in the wild, later christened Victor of Aveyron
- Jan 30 US population: 5,308,483; African American population 1,002,037 (18.9%)
Pope Pius VII
Mar 14 Luigi Chiaramonti elected Pope Pius VII
- Mar 17 British warship HMS Queen Charlotte catches fire off the Tuscan Archipelago; 700 die
Electric Battery Discovered
Mar 20 Alessandro Volta reports his discovery of the electric battery in a letter to Joseph Banks, president of the Royal Society of London
- Mar 20 French army defeats Turks at Helipolis & advance to Cairo
Beethoven's 1st Symphony
Apr 2 1st performance of Ludwig van Beethoven's 1st Symphony in C
Lamarck Outlines his Theories of Evolution
May 11 French naturalist Jean-Baptiste Lamarck gives his first lecture outlining his theories of evolution at the Muséum national d'histoire naturelle in Paris, France
- May 14 Friedrich von Schiller's "Macbeth" premieres in Weimar
Assassination Attempt on George III
May 15 King George III survives a second assassination attempt
- May 15 Pope Pius VII calls on French bishops to return to Gospel principles
Thompson Reaches Saskatchewan River Mouth
Jun 7 Anglo-Canadian explorer David Thompson reaches the mouth of the Saskatchewan River in Manitoba
- Jun 29 Free mason lodge establishes in Alkmaar
- Jun 30 Glasgow Police Act establishes the City of Glasgow Police, considered the 1st modern-style municipal police force, in Glasgow, Scotland
- Jul 8 Dr Benjamin Waterhouse gives 1st cowpox vaccination in the US to his son to prevent smallpox
- Jul 9 Mt Vernon Gardens becomes site of 1st summer theater in US
- Jul 10 The British Indian Government establishes the Fort William College to promote Urdu, Hindi and other vernaculars of sub continent
- Jul 28 Thames River Police established by act of British parliament, replacing earlier Marine Police (1798-1800) - world's oldest continuously serving police force
- Aug 30 Gabriel Prosser leads a slave rebellion in Richmond, Virginia
- Sep 5 Malta surrenders to British after they blockade French troops
- Sep 7 Zion AME Church dedicated (NYC)
- Sep 13 Curacao in British hands (until Jan 1803)
- Oct 1 Spain cedes Louisiana to France in a secret treaty
- Oct 17 Dutch colony Curacao transfererd to Great Britain
Adams moves into the White House
Nov 1 John Adams becomes the first US President to live in the White House
- Nov 7 It becomes illegal for women in Paris to wear trousers without a Police permit (annulled 2013)
- Nov 17 Congress holds its 1st session in Washington, D.C. in an incomplete Capitol Building
- Nov 17 U.S. Congress meets for the first time in the newly built Capitol in Washington, D.C., which had been established by The Residence Act of July 16, 1790
Humbodt, Bonpland Depart Caracas
Nov 24 Naturalists Alexander von Humboldt and Aimé Bonpland depart Caracas for Cuba to meet fellow botanist John Fraser, during their five-year expedition of Spanish America
- Nov 24 Weber's opera "Das Waldmadchen" premieres in Freiburg