In history, year 1781 has its own importance and known for many memorable events like famous birthdays, inventions, natural disaster, treaties, change of rulers, special days etc. Find below a list of important historical events which happened during the year 1781.
| Date/Month | Event / Incidence / Incident |
|---|
| 17 january | American Revolutionary War-American forces won a surprising victory over the British at the Battle of Cowpens, one of the most pivotal battles of the war. |
| 03 february | American Revolutionary War-British forces captured the Dutch island of Sint Eustatius with only two shots fired. |
| 01 march | The Articles of Confederation, the first governing constitutionof the United States, was ratified, legally uniting what were originallyseveral independent states into a new sovereign federation. |
| 13 march | German-born astronomer and composer William Herschel discoveredthe planet Uranus while in the garden of his house in Bath, Somerset,thinking it was a comet. |
| 03 june | American Revolutionary War-Jack Jouett made a 'midnight ride'to warn Thomas Jefferson and the Virginia legislature of coming Britishcavalry who had been sent to capture them. |
| 04 september | Los Angeles was founded as El Pueblo deNuestra Señora la Reina de los Ángeles de Porciúncula by 44 Spanishsettlers. |
| 05 september | American Revolutionary War-French naval forces handed Britaina major strategic defeat in the Battle of the Chesapeake. |
| 06 september | American Revolutionary War-General Benedict Arnold led British forces to victory in the Battle of Groton Heights. |
| 19 october | American Revolutionary War-British forces led by LordCornwallis officially surrendered to Franco-American forces under GeorgeWashington, ending the Siege of Yorktown. |
| 29 november | The crew of the overcrowded British slave ship Zong killed 133African slaves by dumping them into the sea to claim insurance. |
| 02 July | Sultan Hyder Ali of Mysore and Porto Novo now Parangipettai in the British Army fought. |
| 18 July | Noted British astronomer William Herschel discovered the reality of the Akash Ganga. |
| 19 October | The British General Cornwillas surrendered to America, ending the American Revolutionary War. |
| 12 November | The British captured the Dutch colony Nagapattanam. |
| 27 August | Hyder Ali fought the Battle of Pallilor against the British Army. |
| 28 August | Hyder Ali fought the Battle of Pallilor against the British Army. |
| 31 December | America's first bank Bank of North America opened. |
| 05 January | The British naval expedition led by Benedict Arnold burned Richmond, Virginia. |
| 03 February | The island of Dutch West Indies was occupied by St Ostatia British. |
| 01 March | The Continental Congress adopted the Articles of Confederation. |
| 29 April | The French fleet remained in Tobago during the American War of Independence. |
| 01 May | Emperor Joseph II reduced the patronage of the population. |
| 03 June | Jack Jott warns Thomas Jefferson of a British attack. |
| 11 July | Thomas Hutchins designated the geography of America. |
| 20 August | George Washington began to move southern troops to fight Cornwallis. |
| 06 September | The Battle of Groton Heights resulted in the British Army victory. |
| 19 October | The British General Cornwallis surrendered at Yorktown at 2 clock in the afternoon; The resulting American Revolutionary War ended. |
| 05 November | John Hansen wins America's first compiled congressional presidential election. |
| 31 December | Bank of North America was the first bank to be opened in America. |
| Date/Month | Name / Profession / Country |
|---|
| 03 September | Eugène de Beauharnais / Politician / France |
| 05 September | Anton Diabelli / Composer / Austria |
| 05 October | Bernard Bolzano / Mathematician / Czech Republic |
| 05 June | Christian Lobeck / Academic / Germany |
| 06 February | John Keane / Politician / Australia |
| 06 May | Karl Christian Friedrich Krause / Author / Germany |
| 06 July | Stamford Raffles / Politician / United Kingdom |
| 06 September | Vincent Novello / Publisher / United Kingdom |
| 09 February | Johann Baptist von Spix / Biologist / Germany |
| 11 December | David Brewster / Mathematician / Scotland |
| 14 May | Friedrich Ludwig Georg von Raumer / Academic / Germany |
| 17 March | Ebenezer Elliott / Poet / United Kingdom |
| 17 February | René Laennec / Physician / France |
| 20 January | Joseph Hormayr / Politician / Austria |
| 22 January | François Habeneck / Violinist / France |
| 23 November | Theodor Valentin Volkmar / Politician / Germany |
| 26 January | Ludwig Achim von Arnim / Poet / Germany |
| 27 March | Alexander Vostokov / Academic / Russia |
| 30 January | Adelbert von Chamisso / Poet / Germany |
| 30 November | Alexander Berry / Surgeon / Scotland |