Editing 1955 (section)

===September===
{{main|September 1955}}
[[File:Rockall Union flag hoisted 1955.jpg|thumb|150px|upright|[[September 18]]: Britain annexes [[Rockall]]]]
* [[September 2]] – Under the guidance of Dr. [[Humphry Osmond]], [[Christopher Mayhew]] ingests 400&nbsp;mg of [[Mescaline|mescaline hydrochloride]] and allows himself to be filmed as part of a ''[[Panorama (TV series)|Panorama]]'' special for BBC TV in the U.K. that is never broadcast.
* [[September 3]] – [[Little Richard]] records "[[Tutti Frutti (song)|Tutti Frutti]]" in New Orleans; it is released in October.
* [[September 6]] – [[Istanbul pogrom]]: [[Istanbul]]'s Greek minority is the target of a government-sponsored [[pogrom]].
* [[September 10]] – The long-running [[Western (genre)|Western]] television series ''[[Gunsmoke]]'' debuts, on the [[CBS]] network in the United States.
* [[September 14]] – Pope Pius XII elevates many of the [[apostolic vicariate]]s in Africa to [[Metropolitan Archdiocese]]s.
* [[September 15]] – [[Vladimir Nabokov]]'s controversial novel ''[[Lolita]]'' is published in Paris, by [[Olympia Press]].
* [[September 16]]
** The military coup to unseat President [[Juan Perón]] of Argentina is launched at midnight.
** A Soviet Navy Zulu-class submarine becomes the first to launch a [[ballistic missile]].
* [[September 18]] – The United Kingdom formally annexes the uninhabited Atlantic island of [[Rockall]].
* [[September 19]]–[[September 21|21]] – [[President of Argentina]] [[Juan Perón]] is ousted in a military coup.
* [[September 19]] – [[Hurricane Hilda (1955)|Hurricane Hilda]] kills about 200 people in Mexico.
* [[September 21]]–[[September 30|30]] – [[Hurricane Janet]], one of the strongest North Atlantic [[tropical cyclone]]s on record, sweeps the [[Lesser Antilles]] and Mexico, causing more than 1,020 deaths.<ref>{{cite web |title=Category 5 Monsters! |url=http://www.ncdc.noaa.gov/oa/satellite/satelliteseye/educational/cat5hur.html |publisher=United States National Oceanic and Atmospheric Administration |access-date=2013-02-02 |author=[[National Climatic Data Center]]}}</ref>
* [[September 22]] – [[Commercial television]] starts in the United Kingdom with the [[Independent Television Authority]]'s first [[ITV (TV network)|ITV]] franchises beginning broadcasting in London, ending the [[BBC]] monopoly.
* [[September 23]] – A [[1955 Yuzha earthquake|6.8 earthquake]] shakes the Chinese county of [[Huili]], leaving 728 dead and 1,547 injured.
* [[September 24]]
** [[Dwight D. Eisenhower]], president of the United States, suffers a [[coronary thrombosis]] while on vacation in [[Denver, Colorado]]. Vice President [[Richard Nixon|Nixon]] assumed administrative duties and presided over Cabinet and National Security Council meetings while Eisenhower recovers.<ref>{{Cite web |title=Dwight D. Eisenhower Event Timeline {{!}} The American Presidency Project |url=https://www.presidency.ucsb.edu/documents/dwight-d-eisenhower-event-timeline |access-date=2025-04-05 |website=www.presidency.ucsb.edu |language=en}}</ref><ref>{{Cite web |title=Vice-President Richard Nixon (1955 - 1957) |url=https://waverlyhs.weebly.com/us-history-blog-may-2019---may-2020/vice-president-richard-nixon-1955-1957 |access-date=2025-04-05 |website=Mr. Jensen's U.S. History Website |language=en}}</ref>
** Founder of Swiss watchmaker [[Glycine Watch SA]], Eugène Meylan, age 64, is murdered.<ref>{{Cite magazine |date=May 1956 |title=L'affaire du Mail |language=fr |volume=XXIV |pages=29–31 |magazine=Der Kreis / Le Cercle |issue=5 |doi=10.5169/seals-569258 |doi-access=free |author1=&#91;s.n.]}}</ref>
* [[September 30]] – Actor [[James Dean]] is killed when his automobile collides with another car at a highway junction, near [[Cholame, California]].