1825
| Years: 1822 1823 1824 - 1825 - 1826 1827 1828 | |
| Decades: 1790s 1800s 1810s - 1820s - 1830s 1840s 1850s | |
| Centuries: 18th century - 19th century - 20th century 1825 in art List of state leaders in 1825 | |
Events
- January 4 - King Ferdinand I of the Two Sicilies dies and is succeeded by his son Francis I of the Two Sicilies.
- February 9 - After no presidential candidate received a majority of electoral votes, the United States House of Representatives elects John Quincy Adams President of the United States.
- 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 officially succeeds James Monroe as President of the United States.
- July 6 - The Duke of Schleswig-Holstein-Sřnderborg-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 became the Royal House of Greece, Denmark and Norway.
- July 30 - Malden Island discovered.
- August 6 - Bolivia gains independence from Peru as a republic with the instigation of Simón Bolívar
- September 27 - The world's first modern railway, the Stockton and Darlington Railway opens in England.
- October 26 - The Erie Canal opens - passage from Albany, New York to Lake Erie
- November 26 - At Union College in Schenectady, New York a group of college students form Kappa Alpha as the first college social fraternity (it was the first to combine aspects of secret Greek-letter societies, literary societies and formalized student social groups).
- December 1 - Alexander I of Russia dies and is succeeded by his younger brother Nicholas I of Russia.
- Decembrist Revolt in Russia.
- Argentina assists Uruguayan revolt against Brazilian rule
- The first horse-drawn omnibuses established in London
- Colditz Castle is turned into an insane asylum
- First roller skates
- Aluminium discovered
Births
- January 25 - George Pickett, Confederate general († 1876)
- March 22 - Jane Sym, future First Lady of Canada († 1893)
- May 4 -Sir Thomas Henry Huxley, English biologist († 1895)
- May 8 - George Bruce Malleson, Indian officer and author († 1898)
- September 11 - Eduard Hanslick, music critic († 1904)
- September 25 - Joachim Heer, Swiss politician († 1879)
- October 25 - Johann Strauss II, composer († 1899)
- November 9 - A.P. Hill, Confederate general († 1865)
- December 2 - Emperor Peter II of Brazil
Deaths
- Henri Boulard, literary figure
- January 4 - Ferdinand I of the Two Sicilies.
- May 7 - Antonio Salieri, composer
- May 19 - Claude Henri de Rouvroy, Comte de Saint-Simon, founder of French socialism
- December 1 - Alexander I of Russia.
- December 29 - Jacques-Louis David, French painter (b. 1748)
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