Editing 1823 (section)

===January–March===
* [[January 22]] – By secret treaty signed at the [[Congress of Verona#Spanish Question|Congress of Verona]], the [[Quintuple Alliance]] gives France a mandate to invade [[Spain]] for the purpose of restoring [[Ferdinand VII of Spain|Ferdinand VII]] (who has been captured by armed revolutionary liberals) as absolute monarch of the country.
* [[January 23]] – In Paviland Cave on the [[Gower Peninsula]] of Wales, [[William Buckland]] inspects the "[[Red Lady of Paviland]]", the first identification of a prehistoric (male) human burial (although Buckland dates it as Roman).<ref>{{cite journal|first=Stephen|last=Aldhouse-Green|title=Great Sites: Paviland Cave|journal=British Archaeology|issue=61|url=http://www.britarch.ac.uk/ba/ba61/feat3.shtml|access-date=July 16, 2010|date=October 2001}}</ref>
* [[February 3]]
** Jackson Male Academy, precursor of [[Union University]], opens in [[Tennessee]].
** [[Gioachino Rossini]]'s opera ''[[Semiramide]]'' is first performed, at ''[[La Fenice]]'' in Venice.
* [[February 10]] – The first worldwide carnival parade takes place in [[Cologne]], [[Kingdom of Prussia|Prussia]].
* [[February 11]] – [[Carnival tragedy of 1823]]: About 110 boys are killed during a stampede at the [[Franciscan Church of St Mary of Jesus|Convent of the Minori Osservanti]] in [[Valletta]], [[Crown Colony of Malta|Malta]].
* [[February 15]] (approx.) –  The first officially recognised [[gold]] is found in [[Australia]], by surveyor James McBrien at [[Fish River (Oberon)|Fish River]], near [[Bathurst, New South Wales]], predating the [[Australian gold rushes]].
* [[February 20]] – Explorer [[James Weddell]]'s expedition to Antarctica reaches [[latitude]] 74°15'&nbsp;S and [[longitude]] 34°16'45"&nbsp;W: the [[Farthest South|southernmost position]] any ship has reached at this time.
* [[March 15]] – Sailor [[Benjamin Morrell]] [[phantom island|erroneously reports]] the existence of the island of [[New South Greenland]] near [[Antarctica]].<ref>{{cite book|last= Simpson-Housley|first= Paul|title= Antarctica:Exploration, Perception and Metaphor|url= https://books.google.com/books?id=M1ql3mx8xYgC&q=New+South+Greenland+Antarctic&pg=PA51|publisher= Routledge|location= New York|year= 1992|isbn= 0-415-08225-0 |page=52}}</ref>
* [[March 19]] – Emperor [[Agustín de Iturbide]] of Mexico abdicates, thus ending the short-lived [[First Mexican Empire]].