From Wikipedia, the free encyclopedia
|Centuries:||18th century – 19th century – 20th century|
|Decades:||1790s 1800s 1810s – 1820s – 1830s 1840s 1850s|
|Years:||1822 1823 1824 – 1825 – 1826 1827 1828|
|1825 in topic:|
|Archaeology – Architecture – Art – Literature – Music|
|Australia – Canada – France – Germany – Mexico – Philippines – South Africa – US – UK|
|Rail Transport – Science – Sports|
|Lists of leaders|
|Colonial Governors – State leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||2578|
|British Regnal year||5 Geo. 4 – 6 Geo. 4|
— to —乙酉年十一月廿二日
|- Vikram Samvat||1881–1882|
|- Shaka Samvat||1747–1748|
|- Kali Yuga||4926–4927|
|- Ǹrí Ìgbò||825–826|
|Japanese calendar||Bunsei 8
|Juche calendar||N/A (before 1912)|
|Julian calendar||Gregorian minus 12 days|
|Minguo calendar||87 before ROC
|Thai solar calendar||2368|
|Wikimedia Commons has media related to: 1825|
Year 1825 (MDCCCXXV) was a common year starting on Saturday (link will display the full calendar) of the Gregorian Calendar and a common year starting on Thursday of the 12-day slower Julian calendar.
- January 4 – King Ferdinand I of the Two Sicilies is succeeded by his son Francis I of the Two Sicilies.
- February 3 – Vendsyssel-Thy, once part of the Jutland peninsula that formed westernmost Denmark, becomes an island after a flood drowns its 1 km wide isthmus.
- February 9 – After no presidential candidate receives a majority of electoral votes, the United States House of Representatives elects John Quincy Adams President of the United States.
- February 10 – Simón Bolívar gives up his title of dictator of Peru and takes the alternative title of El Libertador.
- February 12 – The Creek cede the last of their lands in Georgia to the United States government, and migrate west.
- March 4 – John Quincy Adams succeeds James Monroe as President of the United States.
- April 17 – Charles X of France recognizes Haiti, 21 years after it expelled the French following the successful Haitian Revolution, and demands the payment of 150 million gold francs, 30 million of which Haiti must finance through France itself, as down payment.
- July 6 – The Duke of Schleswig-Holstein-Sonderburg-Beck gains possession of Glücksburg and changes his title to Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg. The line of Schleswig-Holstein-Sonderburg-Glücksburg later becomes the Royal House of Greece, Denmark and Norway.
- July 18 – Uruguay secedes from Brazil.
- July 30 – Malden Island (an uninhabited island in the central Pacific Ocean) is discovered.
- August 6 – Bolivia gains its independence from Spain as a republic with the instigation of Simón Bolívar.
- August 18 – Scottish adventurer Gregor MacGregor issues a £300,000 loan with 2.5% interest through the London bank of Thomas Jenkins & Company for the fictitious Central American republic of Poyais. His actions lead to the Panic of 1825, the first modern stock market crash, in England.
- September – The Lady Margaret Boat Club is founded by 12 members of St John's College, Cambridge.
- September 25 – General Hendrik Merkus de Kock lifts the siege of Jogjakarta, the first major action of the Java War.
- September 27 – The world's first modern railway, the Stockton and Darlington Railway, opens in England.
- October 7 – The Miramichi Fire breaks out in New Brunswick.
- October 21 – The PS Comet II sinks off Gourock with the loss of 62 lives.
- October 26 – The Erie Canal opens, providing passage from Albany, New York to Buffalo and Lake Erie.
- December – The Decembrist Revolt breaks out in Russia, but is thoroughly suppressed.
- December 1 – Nicholas I of Russia succeeds his older brother Alexander I.
Date unknown 
- The first horse-drawn omnibuses established in London.
- Hans Christian Ørsted reduces aluminium chloride to produce metallic aluminium.
- History of Brisbane: The Australian city of Brisbane is founded.
- A new Combination Act in the United Kingdom makes Trades unions legal according to narrowly-defined principles.
- Artisans and skilled mechanics receive a right to leave the United Kingdom.
- Minh Mang outlaws the teaching of Christianity in Vietnam.
- The United States Postal Service starts a dead letter office.
- Estimation: London becomes the largest city in the world, taking the lead from Beijing.
- January 25 – George Pickett, American Confederate general (d. 1876)
- January 31 – Miska Magyarics, Slovene poet in Hungary (d. 1883)
- March 13 – Hans Gude, Norwegian romanticist landscape painter (d. 1903)
- March 21 – Alexander Mozhaysky, Russian aeronautical pioneer (d. 1890)
- March 22 – Jane Sym, second wife of Canada's second prime minister (d. 1893)
- April 24 – Robert Michael Ballantyne, Scottish novelist (d. 1894)
- May 4 – Sir Thomas Henry Huxley, English biologist (d. 1895)
- May 8 – George Bruce Malleson, English officer and author (d. 1898)
- August 31 – Robert Dunsmuir Scottish industrialist and politician (d. 1889)
- September 11 – Eduard Hanslick, Austrian music critic (d. 1904)
- September 13 William Henry Rinehart, American sculptor (d. 1874)
- September 25 – Joachim Heer, Swiss politician (d. 1879)
- October 8 – Paschal Beverly Randolph, American occultist (d. 1875)
- October 10 – Paul Kruger, Boer resistance leader (d. 1904)
- October 13 – Charles Frederick Worth, Father of Haute Couture, Fashion designer (d. 1895)
- October 25 – Johann Strauss, Junior, Austrian composer (d. 1899)
- November 9 – A.P. Hill, American Confederate general (d. 1865)
- December 2 – Emperor Pedro II of Brazil (d. 1891)
- December 30 – Samuel Newitt Wood, American Politician (d. 1891)
Date unknown 
- January 4 – Ferdinand I of the Two Sicilies (b. 1751)
- March 1 – John Haggin, "Indian fighter" and one of the earliest settlers of Kentucky (b. 1753)
- May 7 – Antonio Salieri, Italian composer (b. 1750)
- May 19 – Claude Henri de Rouvroy, Comte de Saint-Simon, French politician (b. 1760)
- May 22 – Laskarina Bouboulina, Greek independence fighter (shot)
- May 23 – Ras Gugsa of Yejju, Regent of the Emperor of Ethiopia
- June 27 – Domenico Vantini, Italian painter
- August 20 – William Waldegrave, 1st Baron Radstock, Governor of Newfoundland (b. 1753)
- November 14 – Jean Paul, German writer (b. 1763)
- December 1 – Alexander I of Russia (disputed; b. 1777)
- December 28 – James Wilkinson, American soldier and statesman
- December 29 – Jacques-Louis David, French painter (b. 1748)