| January 1 | Dutch Trade Company NHM gets opium monopoly on Java |
| January 17 | Duke of Wellington appointed British supreme commander |
| January 21 | Freedom Journal, 1st Black paper, begins publishing |
| February 7 | Ballet (Deserter) introduced to U.S. at Bowery Theater (New York City) |
| February 27 | 1st Mardi Gras celebration in New Orleans |
| February 28 | 1st commercial railroad in U.S., Baltimore and Ohio (B&O) chartered |
| March 15 | Freedom's Journal, 1st Black newspaper, publishes |
| March 15 | University of Toronto is chartered |
| March 16 | 1st U.S. black newspaper, "Freedom's Journal" (New York City), begins publishing |
| March 29 | 20,000 attend Ludwig von Beethovens burial in Vienna |
| April 2 | Joseph Dixon begins manufacturing lead pencils |
| April 7 | English chemist John Walker invents wooden matches |
| June 5 | Turks capture Acropolis and takes Athens during Greek War of Independ |
| July 4 | Slavery abolished in NY |
| July 23 | 1st U.S. swim school opens (Boston Mass) |
| August 10 | Race riots in Cincinnati (1,000 blacks leave for Canada) |
| August 17 | Dutch King Willem I/Pope Leo XII sign concord |
| October 15 | Charles Darwin reaches Christ's Counsel, Cambridge |
| October 20 | Battle at Navarino: Engl/Russian/French fleet beat Turk/Egyptian fleet |
| November 15 | Creek-indians lose all their property in US |