In history, year 1812 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 1812.
| Date/Month | Event / Incidence / Incident |
|---|
| 27 february | Manuel Belgrano raised the Flag of Argentina, which hedesigned, for the first time in the city of Rosario, during theArgentine War of Independence. |
| 26 march | The Boston Gazette printed a political cartoon coining the term'gerrymander', named after Governor Elbridge Gerry's approval oflegislation that created oddly shaped electoral districts designed tohelp incumbents win reelection. |
| 06 april | Peninsular War-After a three-week siege, the Anglo-Portuguese Army, under the Earl of Wellington , captured Badajoz, Spain and forced the surrender of the French garrison. |
| 11 may | In the lobby of the British House of Commons, Spencer Percevalbecame the only British Prime Minister to be assassinated. |
| 24 june | Napoleonic Wars: The French Grande Armée under Napoleoncrossed the Neman River, marking the start of their invasion of Russia. |
| 15 august | War of 1812-Potawatomi warriors destroyed the United States Army's Fort Dearborn in what is now Chicago, Illinois, and captured the survivors. |
| 19 august | War of 1812-American Navy frigate USS Constitution defeatedBritish Royal Navy frigate HMS Guerriere off the coast of Nova Scotia,Canada, earning her nickname 'Old Ironsides'. |
| 04 september | War of 1812-A coalition of Native American tribes began theSiege of Fort Harrison in Terre Haute, Indiana, by setting the fort onfire. |
| 13 october | War of 1812-British troops and Mohawk warriors repelled anAmerican invasion from across the Niagara River at the Battle ofQueenston Heights near Queenston, Ontario. |
| 14 october | War of 1812-British troops and Mohawk warriors repelled anAmerican invasion from across the Niagara River at the Battle ofQueenston Heights near Queenston, Ontario. |
| 23 october | General Claude François de Malet began a conspiracy tooverthrow Napoleon, claiming that the Emperor died in Russia and that hewas now the commandant of Paris. |
| 25 october | War of 1812-USS United States captured HMS Macedonian, whichlater became the first British warship to be brought into an Americanharbor. |
| 03 november | French invasion of Russia-As Napoleon's Grande Armée beganits retreat, its rear guard was defeated at the Battle of Vyazma. |
| 18 november | Napoleonic Wars-During Napoleon's invasion of Russia, Marshal Michel Ney's leadership in the Battle of Krasnoi earned him the nickname'the bravest of the brave' despite the overwhelming French defeat. |
| 22 november | War of 1812-During a punitive expedition against Native American villages, a contingent of Indiana Rangers were ambushed by Kickapoo, Winnebago, and Shawnee warriors. |
| 03 September | In London, England, the world's first factory to fill cans opened. |
| 18 September | The fire in Moscow burned 75 percent of the city, killing 12,000 people. |
| 26 March | A massive earthquake in Venezuela's largest city of Caracas destroyed 90 percent of the city and killed about 20,000 people. |
| 01 January | The Austrian Civilization Bergerilichs Gestzbuch Austrian Civil Code) came into force in the Austrian Empire |
| 13 February | The first Chilean newspaper Aurora de Chile stood to deal with political philosophy and in favor of the new national government. |
| 05 March | Prussia and France signed the Treaty of Paris. |
| 30 April | Louisiana was accepted as the 18th US state. |
| 16 May | Russian Field Marshal Mikhail Kutuzov, signed the Treaty of Bucharest which resulted in the Russo-Turkish War (1806–12) and Bessarabia was annexed to Imperial Russia. |
| 18 June | The War of 1812 began between the United States, Canada, and the United Kingdom. |
| 12 July | The US invaded Canada in Windsor, Ontario. |
| 12 August | Peninsular War: After the Battle of Salamanca, the combined English and Portuguese forces under the command of Wellington entered Madrid. |
| 14 September | French invasion of Russia: Napoleon's troops entered Moscow, which was deliberately set on fire by Muskovite, at the behest of Fodor Rostopchine. |
| 09 October | During the War of 1812, US naval forces under Lieutenant Jesse Duncan Elliott captured two British warships, HMS Detroit and HMS Caledonia. |
| 05 November | James Madison defeated DeWitt Clinton in the US presidential election. |
| 20 December | The first volume of Grimm's "Fairy Tales" was published in Germany. |
| Date/Month | Name / Profession / Country |
|---|
| 02 September | William Fox / Politician / United Kingdom |
| 06 December | Robert Spear Hudson / Business Man / United Kingdom |
| 08 January | Sigismond Thalberg / Composer / Switzerland |
| 09 June | Johann Gottfried Galle / Academic / Germany |
| 10 January | Georg Hermann Nicolai / Academic / Germany |
| 11 February | Alexander H. Stephens / Politician / United States of America |
| 12 September | Richard March Hoe / Business Man / United States of America |
| 12 September | Edward Shepherd Creasy / Historian / United Kingdom |
| 14 June | Fernando Wood / Politician / United States of America |
| 14 April | George Grey / Soldier / Portugal |
| 15 February | Charles Lewis Tiffany / Business Man / United States of America |
| 15 January | Peter Christen Asbjørnsen / Author / Norway |
| 16 February | Henry Wilson / Politician / United States of America |
| 18 September | Herschel Vespasian Johnson / Politician / United States of America |
| 18 June | Ivan Goncharov / Journalist / Russia |
| 20 January | Thomas Meik / Engineer / Scotland |
| 22 April | Solomon Caesar Malan / Orientalist / United Kingdom |
| 23 April | Frederick Whitaker / Politician / United Kingdom |
| 28 February | Berthold Auerbach / Poet / Germany |
| 29 February | James Milne Wilson / Politician / Scotland |