| January 1 | Field marshal Blucher's troops cross the Rhine at Kaub |
| January 2 | Lord Byron completes "The Corsair" |
| January 14 | King of Denmark cedes Norway to King of Sweden by treaty of Kiel |
| January 22 | 1st Knights Templar grand encampment in U.S. held, New York City |
| January 28 | Stendahl's 1st book is published |
| February 1 | Lord Byron's "Corsair" sells 10,000 copies on day of publication |
| February 1 | Volcano Mayon on Luzon Philippines erupts killing 1,200 |
| February 11 | Norway's independence proclaimed |
| February 27 | Ludwig von Beethovens 8th Symphony in F, premieres |
| March 20 | Prince Willem Frederik becomes monarch of Netherlands |
| March 25 | Netherlands Bank established |
| March 27 | Battle at Horseshoe Bend: General Andrew Jackson beats Creek-indians |
| March 29 | Battle at Horseshoe Bend Ala: Andrew Jackson beats Creek-indians |
| March 30 | Britain and allies march into Paris after defeating Napoleon |
| March 31 | Forces allied against Napoleon capture Paris |
| April 5 | Netherlands Bank issues it's 1st banknotes |
| April 9 | Elias Canneman (L) resigns as minister of Finance |
| April 11 | 1st abdication of France by Napoleon; he is exiled to Elba |
| April 14 | Napoleon abdicated and was banished to Elba |
| April 26 | King Louis XVIII lands on Calais, from England |
| May 4 | Bourbon reign restored in France |
| May 5 | British attack Ft. Ontario, Oswego, New York |
| May 17 | Denmark cedes Norway to Sweden (National Day) |
| May 17 | Norwegian constitution passed by constitutent assembly at Eidsvoll |
| May 30 | 1st Treaty of Paris, after Napoleon's 1st abdication |
| June 22 | 1st match at the present Lord's, MCC vs. Herefordshire |
| July 3 | Americans capture Fort Erie Canada |
| July 5 | Americans defeat British and Canadians at Chippewa, Ontario |
| July 7 | Walter Scott's "Waverley" published |
| July 18 | British capture Prairie du Chien (Wisc) |
| July 25 | Battle of Niagara Falls, Lundy's Lane, ; Americans defeat British |
| July 25 | George Stephenson introduced the 1st steam locomotive |
| August 1 | Belgium King Willem I accept blame in Southern defeat |
| August 7 | Pope Pius VII reinstates Jesuits |
| August 8 | Peace negotiations begin in Ghent, Belgium |
| August 13 | Cape of Good Hope formally ceded to British by the Dutch |
| August 13 | Treaty of London-Netherland stops transporting slaves |
| August 24 | British forces captured Washington, D.C., and burned down many landmarks |
| August 25 | British forces destroy Library of Congress, containing 3,000 books |
| September 5 | Battle at Masurische Meren: Germans chase Russians out of E Prussia |
| September 11 | Americans defeat British at Battle of Plattsburgh |
| September 11 | Battle of Lake Champlain, New York; American Navy defeats British |
| September 12 | Battle of North Point fought near Baltimore during War of 1812 |
| September 14 | Francis Scott Key inspired to write "Star-Spangled Banner" |
| September 21 | "Star Spangled Banner" published as a poem |
| October 23 | 1st plastic surgery is performed (England) |
| October 29 | "Demologos," 1st steam-powered warship, is launched |
| November 7 | 1st sitting of States-general in Hague |
| December 24 | Treaty of Ghent (end of US-Britain's War of 1812) signed |
