1825

Millennium:	2nd millennium
Centuries:	18th century – 19th century – 20th century
Decades:	1790s 1800s 1810s – 1820s – 1830s 1840s 1850s
Years:	1822 1823 1824 – 1825 – 1826 1827 1828

Events

January 4 – King Ferdinand I of the Two Sicilies dies and is succeeded by his son Francis I of the Two Sicilies.
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-Sønderborg-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 (an uninhabited island in the central Pacific Ocean) discovered.
August 6 – Bolivia gains independence from Peru as a republic with the instigation of Simón Bolívar
August 25 – Uruguay declares independence from Brazil (See Uruguay's independence)
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
December 1 – Nicholas I of Russia succeeds his older brother Alexander I.
Decembrist Revolt in Russia.
The first horse-drawn omnibuses established in London
First roller skates
Aluminium discovered
City of Brisbane founded – see History of Brisbane
The electromagnet was invented by William Sturgeon