1815 was a common year starting on Sunday (see link for calendar).

Events

January

• January 2 - Lord Byron marries Anna Isabella Milbanke, Seaham, County Durham.
• January 3 - Austria, Britain, and France form a secret defensive alliance treaty against Prussia and Russia.
• January 8 - War of 1812: Battle of New Orleans

February

• February 3 - The first commercial cheese factory is founded in Switzerland
• February 4 - Netherlands, Foundation of the first Dutch student association, the Groninger Studenten Corps, Vindicat atque Polit. The first rector of the senate was B.J. Winters.
• February 6 - New Jersey grants the first American railroad charter to a John Stevens.
• February 26 - Napoleon Bonaparte escapes from Elba

March

• March 1 - Napoleon returns to France from his banishment on Elba.
• March 16 - Willem I becomes King of the Netherlands
• March 20 - Napoleon enters Paris after escaping from Elba with a regular army of 140,000 and a volunteer force of around 200,000 beginning his "Hundred Days" rule.

April

• April 5-April 12 - Mount Tambora in the Dutch East Indies blows its top during an eruption event. Upwards of 92,000 are killed during this eruption. The event is the cause of 1816 becoming known as the Year Without a Summer.
• April 23- Second Serbian Uprising against Ottoman rule takes place in Takovo, Serbia. By the end of the year Serbia had been acknowledged as a semi-independent state. Ideals of the First Serbian Uprising have thus been temporarily achieved.

June

• June 9 - End of the Congress of Vienna: new European political situation is set.
• June 18 - Battle of Waterloo ends the Napoleonic wars.
• June 22 - Napoleon abdicates again, restoration of Louis XVIII as King of France

July

• July 8 - Louis XVIII returns to Paris
• July 17 - In France, Napoleon surrenders at Rochefort to British forces.

October

• October 15 - Napoleon I of France begins his exile on St. Helena in the Atlantic Ocean.
• October 21 - Humphry Davy patents the miner's safety lamp for use in coal mining

Unknown dates

• Austria, Prussia and Russia sign a Holy Alliance to uphold the European status quo.
• British missionaries arrive in New Zealand
• In Britain, use of pillory is limited to punishment for perjury
• Second wave of Amish immigration to North America
• First-class cricket begins.

Ongoing events

• Napoleonic Wars (1799-1815)-Seventh Coalition/Hundred Days
• War of 1812 (1812-1815)
• Congress of Vienna (1814 - 1815)

Births

• January 10 - John A. Macdonald, first Prime Minister of Canada (d. 1891)
• February 15 - Constantin von Tischendorf, German Biblical scholar (d. 1874)
• April 1 - Otto von Bismarck, German statesman (d. 1898)
• April 1 - Edward Clark, Governor of Texas (d. 1880)
• April 6 - Robert Volkmann, German composer (d. 1883)
• April 24 - Anthony Trollope, British author (d. 1882)
• August 5 - Edward John Eyre, explorer (d. 1901)
• October 16 - Francis Lubbock, Governor of Texas (d. 1905)
• October 31 - Karl Weierstrass, German mathematician (d. 1897)
• November 2 - George Boole, English mathematician and philosopher (d. 1864)
• December 10 - Augusta Ada King (neé Byron), Countess of Lovelace, early English computer pioneer (d. 1852)
• November 12 - Elizabeth Cady Stanton, American women's rights activist (d. 1902)
• December 21 - Thomas Couture, French painter (d. 1879)

Deaths

• January 8 - Edward Pakenham, British general (killed in battle) (b. 1778)
• January 16 - Emma, Lady Hamilton, English mistress of Horatio Nelson (b. 1765)
• February 24 - Robert Fulton, American inventor (b. 1765)
• February 26 - Prince Josias of Coburg, Austrian general (b. 1737)
• March 4 - Frances Abington, English actress (b. 1737)
• March 5 - Franz Mesmer, German developer of hypnotism (b. 1734)
• April 21 - Joseph Winston, American patriot and Congressman from North Carolina (b. 1746)
• June 1 - Louis Alexandre Berthier, French marshal (b. 1753)
• June 16 - Friedrich Wilhelm, Duke of Brunswick, German noble and general (killed in battle) (b. 1771)
• June 18 - Thomas Picton, British general (killed in battle) (b. 1758)
• June 18 - Claude-Etienne Michel, French general (killed in battle) (b. 1772
• June 18 - Guillaume Philibert Duhesme, French general (killed in battle) (b. 1766)
• August 2 - Guillaume Marie Anne Brune, French marshal (murdered) (b. 1763)
• August 6 - James A. Bayard (elder), U.S. Senator from Delaware (b. 1767)
• September 9 - John Singleton Copley, American painter (b. 1738)
• September 20 - Nicolas Desmarest, French geologist (b. 1725)
• October 15 - Joachim Murat, French marshal and King of Naples (executed) (b. 1767)
• December 3 - John Carroll (priest), first American Roman Catholic Archbishop (b. 1735)
• December 7 - Michel Ney, French marshal (executed) (b. 1769)
• December 29- Saartjie Baartman, sideshow performer

1815

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