Editing 1825 (section)

== Events ==

=== January–March ===
[[File:Capture of the El Mosquito.jpg|thumb|250px|[[March 5]]: The [[Capture of the sloop Anne|capture of the pirate ship ''Anne'']] takes place in the Caribbean Sea, effectively ending piracy there.]]
* [[January 4]] – King [[Ferdinand I of the Two Sicilies]] dies in Naples and is succeeded by his son, [[Francis I of the Two Sicilies|Francis]].
* [[February 3]] – [[Vendsyssel-Thy]], once part of the [[Jutland]] peninsula forming westernmost Denmark, becomes an island after a flood drowns its {{convert|1|km|mi}} wide [[isthmus]].<ref>{{cite encyclopedia|title=Aggerkanal|encyclopedia=[[Salmonsens Konversationsleksikon]]|editor=Blangstrup, Chr.|publisher=J.H. Schultz Forlagsboghandel|location=Copenhagen|edition=2nd |volume=1|year=1915|page=310|language=da|url=https://runeberg.org/salmonsen/2/1/0336.html|access-date=April 3, 2013}}</ref>
* [[February 9]] – After no presidential candidate receives a majority of [[United States Electoral College]] votes following the [[1824 United States presidential election]], the [[United States House of Representatives]] elects [[John Quincy Adams]] President of the United States in a [[contingent election]].
* [[February 10]] – [[Gideon Mantell]] names and describes the second known dinosaur ''[[Iguanodon]]''.
* [[February 10]] – [[Simón Bolívar]] gives up his title of dictator of Peru and takes the alternative title of ''El Libertador''.{{cn|date=February 2025}}
* [[February 12]] – [[Second Treaty of Indian Springs]]: The [[Creek (people)|Creek]] cede the last of their lands in [[Georgia (U.S. state)|Georgia]] to the United States government and migrate west.<ref name="OKState-Kapplers">[https://dc.library.okstate.edu/digital/collection/kapplers/id/29471/rec/1,"Treaty With The Creeks, 1825"], Oklahoma State University Digital Collections, Kapplers: Indian affairs: laws and treaties Vol. 2 (Treaties), pp. 214-217. Retrieved May 16, 2024. </ref>
* [[March 1]] – The outbound British [[East Indiaman]] {{ship||Kent|1820 EIC ship|2}} is destroyed by fire in the [[Bay of Biscay]] with the loss of more than 80 lives, but over 550 are saved by passing ships.
* [[March 5]] – [[Capture of the sloop Anne|Capture of the sloop ''Anne'']]: [[Roberto Cofresí]], one of the last successful [[Piracy in the Caribbean|pirates in the Caribbean]], is defeated by an international naval force.
* [[March 17]] – [[The Norfolk & Dedham Group]] is founded as The Norfolk Mutual Fire Insurance Company in the United States.

=== April–June ===
* [[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&nbsp;million gold francs, 30&nbsp;million of which Haiti must finance through France itself, as down payment.
* [[May 26]] – Two [[Christian Unitarianism|Unitarian Christian]] bodies, the [[American Unitarian Association]] in the United States and the [[British and Foreign Unitarian Association]] in the United Kingdom are founded, coincidentally on the same date.
* [[May 29]] – The [[Coronation of Charles X]] takes place at the historic site of [[Reims Cathedral]], the last coronation of a French monarch.
* [[May]] – [[History of Brisbane]]: The Australian city of [[Brisbane]] is founded.<ref>{{cite web|title=Founding of Brisbane|url=https://www.nma.gov.au/defining-moments/resources/founding-of-brisbane|publisher=National Museum Australia|date=2023-05-04|accessdate=2024-03-17}}</ref>
* [[June 2]] – The United States Senate ratifies the treaties with the Great [[Osage Nation|Osage]] and the Little Osage tribes.<ref name=Niles>''Niles' Weekly Register'', Volume 30, p316</ref>
* [[June 3]] – The U.S. Senate ratifies the treaty with the Kansas tribe.<ref name=Niles/>
* [[June 9]] – The U.S. Senate ratifies the treaty with the Poncas tribe.<ref name=Niles/>
* [[June 15]] – A rebellion is started by 200 slaves in the Guamacaro region of Cuba, and is suppressed after 12 hours; in the ensuing months, most who weren't killed in the battle would be hunted down and killed.<ref>Manuel Barcia, ''West African Warfare in Bahia and Cuba: Soldier Slaves in the Atlantic World, 1807-1844'' (Oxford University Press, 2014) p97</ref>

=== July–September ===
[[File:StocktonDarlingtonOpening.jpg|thumb|September 27: The [[Stockton and Darlington Railway]] opens in England.]]
* [[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 [[dynasty|royal house]] of Greece, Denmark and Norway.
** The U.S. Senate ratifies treaties with the [[Cheyenne]] tribe.<ref name=Niles/>
** A new [[Combinations of Workmen Act 1825|Combinations of Workmen Act]] in the United Kingdom makes [[trade union]]s legal according to narrowly defined principles.
* [[July 16]] – The U.S. Senate ratifies treaties with the [[Hunkpapa]] tribe.<ref name=Niles/>
* [[July 18]] – The U.S. Senate ratifies treaties with the Ricara tribes.<ref name=Niles/>
* [[July 30]]
** [[Malden Island]] (an uninhabited island in the central Pacific Ocean) is discovered by [[George Byron, 7th Baron Byron]].
** The U.S. Senate ratifies treaties with the [[Mandan]], Belantae, Eloa and [[Minnetaree]] tribes.<ref name=Niles/>
* [[August 4]] – The U.S. Senate ratifies treaties with the Ricara tribes.<ref name=Niles/>
* [[August 6]] – [[Bolivia]] [[Bolivian War of Independence|gains its independence]] from Spain as a republic, at the instigation of [[Simón Bolívar]].
* [[August 11]] – The U.S. Senate ratifies treaties with the [[Crow people|Crow tribe]].<ref name=Niles/>
* [[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.
* [[August 22]] – The [[:es:Rito Nacional Mexicano|National Mexican Rite]] is created in [[Mexico City]].
* [[August 25]] – [[Uruguay]] is declared independent of the [[Empire of Brazil]] by the [[Thirty-Three Orientals]], a militant revolutionary group led by [[Juan Antonio Lavalleja]].
* [[September 25]] – General [[Hendrik Merkus de Kock]] lifts the siege of [[Jogjakarta]], the first major action of the [[Java War]].
* [[September 26]] – The U.S. Senate ratifies treaties with the [[Missouria|Missouri]] and Ottoe tribes.<ref name=Niles/>
* [[September 27]] – The world's first modern railway, the [[Stockton and Darlington Railway]], opens in England.
* [[September 30]] – The U.S. Senate ratifies treaties with the [[Pawnee people|Pawnee]] tribe.<ref name=Niles/>
* [[September]] – The [[Lady Margaret Boat Club]] is founded by 12 members of [[St John's College, Cambridge]].

=== October–December ===
[[File:Kolman decembrists.jpg|thumb|December 14: The [[Decembrist revolt]] takes place in Russia.]]
* [[October 7]] – The [[1825 Miramichi Fire|Miramichi Fire]], a forest fire, breaks out in [[New Brunswick]] (Canada).
* [[October 21]] – [[PS Comet#Comet II|PS ''Comet II'']] sinks off [[Gourock]] (Scotland) with the loss of 62 lives.
* [[October 26]] – The [[Erie Canal]] opens, providing passage from [[Albany, New York]] to [[Buffalo, New York|Buffalo]] and [[Lake Erie]].
* [[November 7]] – The U.S. Senate ratifies the [[Treaty of Lewistown|treaty]] with the [[Shawnee]] tribe.<ref name=Niles/>
* [[November 15]] – King [[Joao VI of Portugal]] promulgates a law recognizing his eldest son, [[Pedro I of Brazil|Dom Pedro]], as the Emperor of Brazil.<ref>''The Annual Register, or A View of the History, Politics, and Literature for the Year 1828'' (Baldwin and Cradock, 1829) p428</ref>
* [[October]]–[[December]] – Dispute between the [[United Provinces of the Río de la Plata]] and the [[Empire of Brazil]] over [[Banda Oriental]] region led to the [[Cisplatine War]].
* [[December 1]] ([[Julian calendar|O.S.]])/[[November 19]] ([[Gregorian calendar|N.S.]]) – [[Nicholas I of Russia]] succeeds his older brother [[Alexander I of Russia|Alexander I]].
* [[December 9]] – The British began the [[Siege of Bharatpur (1825–1826)|Siege of Bharatpur]].
* [[December 26]] ([[Julian calendar|O.S.]])/[[December 14]] ([[Gregorian calendar|N.S.]]) – Some [[Imperial Russian Army]] officers stage the [[Decembrist revolt]] against Nicholas's accession in [[Saint Petersburg]], but it is thoroughly suppressed by the government.

=== Date unknown ===
* [[Bishkek]], Kyrgyzstan is founded as a mudfort on the Silk Road
* The [[Fort Vancouver]] trading post is established on the lower [[Columbia River]] by the [[Hudson's Bay Company]].
* [[Hans Christian Ørsted]] reduces [[aluminium chloride]] to produce metallic [[aluminium]].
* [[Minh Mạng]] outlaws the teaching of Christianity in [[Vietnam]].
* The first horse-drawn [[bus|omnibus]]es established in London.
* The [[United States Postal Service]] starts a [[dead letter office]].
* London becomes the largest city in the world, taking the lead from Beijing.<ref>{{cite web|url=http://geography.about.com/library/weekly/aa011201a.htm|title=Largest Cities Through History|first=Matt T|last=Rosenberg|work=About.com|access-date=September 25, 2012|archive-date=August 18, 2016|archive-url=https://web.archive.org/web/20160818124242/http://geography.about.com/library/weekly/aa011201a.htm|url-status=dead}}</ref>