- Jan 22 Ashantis defeat British forces in the Gold Coast
- Jan 28 William Kneass becomes 3rd US chief engraver (1824-40)
- Feb 4 J W Goodrich introduces rubber galoshes to public
Event of Interest
Feb 10 Simón Bolívar named dictator by the Congress of Peru

Simón Bolívar
- Feb 16 Athenaeum club founded in London
- Mar 2 Interstate commerce comes under federal control
- Mar 4 The "National Institution for the Preservation of Life from Shipwreck" founded in the United Kingdom, later to be renamed The Royal National Lifeboat Institution in 1858.
- Mar 5 First Burmese War: The British officially declare war on Burma
- Mar 7 Meyerbeers opera "Il Crociati in Egitto" premieres in Venice
- Mar 11 US War Department creates the Bureau of Indian Affairs
- Mar 17 Britain & Netherlands sign a trade agreement
- Mar 21 Fire at Cairo ammunitions dump kills 4,000 horses
Music Premiere
Mar 24 1st performance of Ludwig van Beethoven's "Missa Solemnis" in St. Petersburg

Ludwig van Beethoven
- Apr 17 Russia abandons all North American claims south of 54° 40'N
- May 2 Goethe visits Ettersberg (Buchenwald)
- May 7 Ludwig van Beethoven's 9th (Chorale) Symphony, premieres in Vienna, often regarded as his greatest work
- May 10 The National Gallery in London opens to the public in its temporary home in a townhouse on Pall Mall
Event of Interest
May 17 The diaries of Lord Byron are burnt by six of the poet's friends at the office of John Murray in London, sometimes described as “the greatest crime in literary history”

Lord Byron
Historic Publication
Jul 24 Harrisburg Pennsylvanian newspaper publishes results of 1st public opinion poll, with a clear lead for Andrew Jackson

Andrew Jackson
- Jul 25 Costa Rica annexes Guanacaste from Nicaragua.
Event of Interest
Jul 30 Gioachino Rossini becomes manager of Theatre Italian, Paris

Gioachino Rossini
- Aug 4 Battle of Kos is fought between Turks and Greeks
- Aug 6 Battle at Junan - Simon Bolívar's army defeats the Spanish
- Aug 14 General Lafayette returns to US
- Aug 15 Freed American slaves establish Liberia on the West African coast through the American Colonization Society (ACS)
- Sep 26 Kapiolani defies Pele (Hawaiian volcano goddess) & lives
- Oct 4 Mexico becomes a republic
- Oct 9 Slavery is abolished in Costa Rica
- Oct 21 Joseph Aspdin patents Portland cement (Yorkshire, England)
- Nov 2 Popular presidential vote 1st recorded; Andrew Jackson beats John Quincy Adams
- Nov 7 St Petersburg floods to 4.20m, city's greatest flood
- Nov 15 Series of fires kills 10 in Edinburgh, Scotland
- Nov 16 New York City's Fifth Avenue opens for business
- Nov 19 Storm causes flooding in St Petersburg, killing 10,000
- Nov 21 First Jewish Reform congregation forms, Charleston, South Carolina
- Nov 30 First ground is broken at Allenburg for the building of the original Welland Canal
Election of Interest
Dec 1 US House of Representatives begins to decide outcome of election deadlock between John Quincy Adams and Andrew Jackson (Adams wins)

John Quincy Adams

Andrew Jackson