Editing 1851 (section)

=== July&ndash;September ===
* [[July 1]]
** [[Port Phillip District]] separates from [[New South Wales]] to become the  Colony of [[Victoria (Australia)]].
** Serial poisoner [[Hélène Jégado]] is arrested in [[Rennes]], France. Her trial opens on December 6; she is eventually sentenced to death and executed by [[guillotine]].
** Battle of Ras Tanoura, a collision occurs between the Bahrain blockading force off Kateef and the Arab fugitives at Kenn Island, who surprised and attacked the Bahrain fleet. Mubarak bin Abdulla bin Ahmed, along with his brother Rashid and Busher bin Rahma Al Jalahma were all killed in the battle.
* [[July 10]] &ndash; The [[University of the Pacific (United States)|University of the Pacific]] is chartered as California Wesleyan College, in [[Santa Clara, California]].
* [[July 28]] &ndash; Total [[solar eclipse]] visible in [[Canada]], [[Greenland]], [[Iceland]] and Northern [[Europe]], the first solar eclipse to be photographed.
* [[July 29]] &ndash;  [[Annibale de Gasparis]], in [[Naples]], Italy discovers asteroid ''[[15 Eunomia]]''.
* [[August 1]] &ndash; [[Virginia]] closes its Reform Constitutional Convention, deciding that all white men have the right to vote.
* [[August 3]] &ndash; The  [[filibuster (military)|filibustering]] [[Lopez Expedition]] sails from [[New Orleans]], [[Louisiana]] heading to seize [[Captaincy General of Cuba|Spanish-ruled Cuba]].
* [[August 12]] &ndash; [[Isaac Singer]] is granted a United States patent for his improved sewing machine.<ref>{{cite magazine |title=The Invention That Spawned a Fashion Revolution |url=https://time.com/3985665/sewing-machine-invented/ |magazine=Time |access-date=26 June 2020}}</ref>
* [[August 22]] &ndash; The yacht ''[[America (yacht)|America]]'' wins the first [[America's Cup]] race, off the coast of England.[[Image:America (schooner yacht) by Bard.jpg|thumb|[[August 22]]: The yacht ''[[America (yacht)|America]]'', winner of the first America's Cup]]
* [[September 1]] &ndash; [[Narciso López]] is executed in [[Havana]] following the failure of his expedition in Cuba.
* [[September 15]] &ndash; [[Saint Joseph's University]] is founded in [[Philadelphia]].
* [[September 18]] &ndash; ''[[The New York Times]]'' is founded in New York City.
* [[September 30]] &ndash; [[HSwMS Eugenie|HSwMS ''Eugenie'']] leaves from [[Karlskrona]], [[Sweden]] to begin its voyage as the first [[Swedish Royal Navy]] vessel to circumnavigate the world.