Editing 1822 (section)

=== July–September ===
* [[July 3]] – [[Charles Babbage]] publishes a proposal for a ''[[difference engine]]'', a forerunner of the modern computer, for calculating [[logarithm]]s and [[Trigonometry|trigonometric]] functions. Construction of an operational version will proceed under British Government sponsorship (1823–1832), but it will never be completed.<ref>{{cite book|first=Anthony|last=Hyman|author-link=R. Anthony Hyman|title=[[Charles Babbage: Pioneer of the Computer]]|publisher=[[Oxford University Press]]|year=1982|isbn=0-19-858170-X|pages=51ff}}</ref>
*[[July 7]] – [[July 1822 Spanish coup d'état]], an attempt by supporters of [[Ferdinand VII]] to overthrow the [[Trienio Liberal|Liberal government]] of [[Spain]], fails.
* [[July 8]] – The [[Chippewa people]] cede a huge tract of land in [[Ontario]] to British control.
* [[July 13]] – [[Greek War of Independence]]: Greek soldiers defeat [[Ottoman Empire|Ottoman]] forces at [[Thermopylae]].
* [[July 26]] – [[Guayaquil Conference]]: [[José de San Martín]] arrives in [[Guayaquil]], [[Ecuador]], to meet [[Simón Bolívar]].
* [[July 27]] – Guayaquil Conference: [[Simón Bolívar]] and General [[José de San Martín]] meet in [[Guayaquil]], which Bolívar later annexes.
* [[July 31]] – The last public [[Flagellation|whipping]] is carried out in [[Edinburgh]].
* [[August 5]]–[[August 13|13]] – [[1822 Aleppo earthquake|A sequence of earthquakes]] occurs in the northern part of the [[Ottoman Empire]], causing severe damage from [[Gaziantep]] to [[Antakya]] in modern Turkey and from [[Aleppo]] to [[Khan Sheikhun]] in modern Syria. At least 20,000 people are killed.<ref name="Ambraseys_1989">{{Cite journal |last=Ambraseys |first=N.N. |date=1989 |title=Temporary seismic quiescence: SE Turkey |journal=Geophysical Journal International |volume=96 |issue=2 |pages=311–331 |doi=10.1111/j.1365-246X.1989.tb04453.x|doi-access=free |bibcode=1989GeoJI..96..311A }}</ref><ref name=Sbeinati>{{Cite journal|title=The historical earthquakes of Syria: an analysis of large and moderate earthquakes from 1365 B.C. to 1900 A.D.|last=Sbeinati|first=M.R.|author2=Darawcheh, R.|author3=Mouty, M.|name-list-style=amp|year=2005|journal=Annals of Geophysics|volume=48|issue=3|pages=347–435|access-date=16 February 2023|url=http://www.earth-prints.org/bitstream/2122/908/1/01Sbeinati.pdf}}</ref>
* [[August 12]]
** [[Robert Stewart, Viscount Castlereagh|Lord Castlereagh]], the British [[Foreign Secretary (United Kingdom)|Foreign Secretary]],  commits suicide at his house in [[Kent]]. He is judged to have been [[insane]] at the time.<ref>Gates, Barbara. ''Victorian Suicide: Mad Crimes and Sad Histories''. Princeton University Press, 2014 p.3.</ref>
** St David's College (the modern-day [[University of Wales, Lampeter]]) is founded in Wales by [[Thomas Burgess (bishop, born 1756)|Thomas Burgess]], [[Bishop of St David's]].
* [[August 15]] — The [[visit of King George IV to Scotland]] begins and lasts until –[[August 29]].<ref>{{cite book|last=Prebble|first=John|author-link=John Prebble|title=The King's Jaunt: George IV in Scotland, August 1822 'One and Twenty Daft Days'|location=London|publisher=Collins|year=1988|isbn=0-00-215404-8|url=https://archive.org/details/kingsjauntgeorge0000preb}}</ref>
* [[August 16]] — The body of British poet [[Percy Bysse Shelley]], who died on July 8 in the sinking of his boat ''Don Juan'', is cremated at the beach, 10 days after his decomposed remains had washed ashore in Italy near [[Viareggio]]. His heart resists burning and is preserved separately.<ref>{{Cite book|last=Bieri|first=James|title=Percy Bysshe Shelley: a biography|publisher=Johns Hopkins University Press|year=2008|isbn=978-0-8018-8860-1|location=Baltimore|pages=331–336}}</ref> 
* [[August 22]] – The English ship ''Orion'' lands at Yerba Buena on the North American west coast of Mexico, under the command of [[William A. Richardson]]. The area is later acquired by the U.S. and becomes the site of [[San Francisco]].
* [[September 7]] – [[Brazilian independence|Brazil declares its independence]] from [[Portugal]].
* [[September 8]]–[[September 13|13]] – [[Battle of Nauplia (1822)|Battle of Nauplia]]: In a series of naval engagements, the [[Ottoman Fleet]] fails to break through the [[Greek Fleet]], under Admiral [[Andreas Vokos Miaoulis]].
* [[September 11]] – The [[Roman Catholic Church]] first  permits the publication of [[Galileo Galilei]]'s 1632 treatise, ''[[Dialogue Concerning the Two Chief World Systems]]''.) 
* [[September 16]]
** [[George Canning]] is appointed British [[Secretary of State for Foreign Affairs (UK)|Secretary of State for Foreign Affairs]].
** The [[Constituent Congress of Peru, 1822|Constituent Congress of Peru]] begins its first session.
* [[September 22]] – Portugal approves its first Constitution.
* [[September 27]] – [[Jean-François Champollion]] announces his success in deciphering [[Egyptian hieroglyphs]], using the [[Rosetta Stone]], in a letter to the ''[[Académie des Inscriptions et Belles-Lettres]]'' in Paris (based on the work of [[Thomas Young (scientist)|Thomas Young]]).