1810

Events 
 January 10 – Marriage of Napoleon and Josephine is annulled
 January 20 – Tyrolean rebel leader Andreas Hofer executed
 March 11 – Napoleon marries Marie-Louise of Austria
 April 19 – Venezuela achieves home rule: Emparan, Governor of the Captaincy General is removed by the people of Caracas and a Junta is installed.
 May 10 – Revolutionary occupation of Buenos Aires town hall.
 May 25 – Armed citizens of Buenos Aires expel the Viceroy from Spain and establish a provincial government for Argentina.
 June 8  – Birth of Robert Schumann, German composer.
 June 23 – John Jacob Astor forms the Pacific Fur Company.
 July – Napoleon annexes the Kingdom of Holland.
 July 20 – Colombia declares independence from Spain.
 August 6 – City of Mompos in modern-day Colombia is declares independence from the Spanish Empire
 September 8 – The Tonquin sets sail from New York Harbor with 33 employees of John Jacob Astor's newly created Pacific Fur Company on board. After a six-month journey around the tip of South America, the ship will arrive at the mouth of the Columbia River and Astor's men will establish fur-trading town of Astoria.
 September 16 – Dieciséis de septiembre, the Mexican War of Independence of the Republic of Mexico
 September 18 – Chile forms the National Junta, which is their first passage towards independence.
 September 26 – A new Act of Succession is adopted by the Riksdag of the Estates and Jean Baptiste Bernadotte becomes heir to the Swedish throne.
 October 12 – First Oktoberfest: The Bavarian royalty invites the citizens of Munich to join the celebration of the marriage of Crown Prince Ludwig of Bavaria to Princess Therese von Sachsen-Hildburghausen.
 October 27 – United States annexes West Florida from Spain
 November 10 – the Berners Street Hoax – Theodore Hook manages to attract dozens of people to 53 Berners Street in London
 King George III of the United Kingdom recognized as insane
 Amadou Lobbo initiates his jihad in present-day Mali.
 Russia acquires Sokhumi through a treaty with Abkhazian dukes, and declares a protectorate over the whole of Abkhazia.
 Macon's Bill No. 2
 First steamboat on the Ohio River