Editing February 23 (section)

===1901–present===
*[[1903]] &ndash; [[Cuba]] leases [[Guantanamo Bay Naval Base|Guantánamo Bay]] to the United States "in perpetuity".
*[[1905]] &ndash; Chicago attorney [[Paul P. Harris|Paul Harris]] and three other businessmen meet for lunch to form the [[Rotary Club]], the world's first [[service club]].
*[[1909]] &ndash; The [[AEA Silver Dart]] makes the first powered flight in Canada and the [[British Empire]].
*[[1917]] &ndash; First demonstrations in [[Saint Petersburg]], Russia. The beginning of the [[February Revolution]] (March 8 in the [[Gregorian calendar]]).
*[[1927]] &ndash; U.S. President [[Calvin Coolidge]] signs a bill by [[United States Congress|Congress]] establishing the [[Federal Radio Commission]] (later replaced by the [[Federal Communications Commission]]) which was to regulate the use of radio frequencies in the United States.
*  1927   &ndash; German [[theoretical physics|theoretical physicist]] [[Werner Heisenberg]] writes a letter to fellow physicist [[Wolfgang Pauli]], in which he describes his [[uncertainty principle]] for the first time.
*[[1934]] &ndash; [[Leopold III of Belgium|Leopold III]] becomes King of [[Belgium]].
*[[1941]] &ndash; [[Plutonium]] is first produced and isolated by Dr. [[Glenn T. Seaborg]].
*[[1942]] &ndash; [[World War II]]: [[Empire of Japan|Japanese]] submarines [[Bombardment of Ellwood|fire artillery shells]] at the coastline near [[Santa Barbara, California]].
*[[1943]] &ndash; The [[Cavan Orphanage fire]] kills thirty-five girls and an elderly cook.
*  1943   &ndash; [[Greek Resistance]]: The [[United Panhellenic Organization of Youth]] is founded in Greece.
*[[1944]] &ndash; The [[Soviet Union]] begins the [[Operation Lentil (Caucasus)|forced deportation]] of the [[Chechens|Chechen]] and [[Ingush people]] from the [[North Caucasus]] to Central Asia.
*[[1945]] &ndash; World War II: During the [[Battle of Iwo Jima]], a group of [[United States Marine]]s reach the top of [[Mount Suribachi]] on the island and are [[Raising the Flag on Iwo Jima|photographed raising the American flag]].
*  1945   &ndash; World War II: The [[11th Airborne Division (United States)|11th Airborne Division]], with [[Filipinos|Filipino]] guerrillas, free all 2,147 captives of the [[Los Baños, Laguna|Los Baños]] internment camp, in what General Colin Powell later would refer to as "the textbook airborne operation for all ages and all armies."
*  1945   &ndash; World War II: The capital of the [[Philippines]], [[Manila]], is liberated by combined Filipino and American forces.
*  1945   &ndash; World War II: Capitulation of [[Nazi Germany|German]] garrison in [[Poznań]]. The city is [[Battle of Poznań (1945)|liberated]] by [[Soviet Union|Soviet]] and [[History of Poland (1939–45)|Polish]] forces.
*  1945   &ndash; World War II: The German town of [[Pforzheim]] is [[Bombing of Pforzheim in World War II|annihilated]] in a raid by 379 British bombers.
*  1945   &ndash; [[American Airlines Flight 009]] crashes near [[Rural Retreat, Virginia]], killing 17.<ref name="ASN">{{Cite web |title=ASN Aircraft accident Douglas DC-3-277 NC18142 Rural Retreat, VA |url=https://aviation-safety.net/database/record.php?id=19450223-0 |access-date=22 June 2023 |website=Aviation Safety Network}}</ref>
*[[1947]] &ndash; [[International Organization for Standardization]] is founded.
*[[1954]] &ndash; The first mass inoculation of children against [[Poliomyelitis|polio]] with the [[Jonas Salk|Salk]] [[vaccine]] begins in [[Pittsburgh]].
*[[1958]] &ndash; Five-time Argentine [[Formula One]] [[List of Formula One World Drivers' Champions|champion]] [[Juan Manuel Fangio]] is kidnapped by rebels involved in the [[Cuban Revolution]], on the eve of the [[Cuban Grand Prix]]. He was released the following day after the race.<ref>{{Cite web |date=2020-04-06 |title=Kidnapped in Cuba: F1 legend Fangio's run-in with revolutionaries |url=https://www.espn.com/f1/story/_/id/28999493/when-f1-legend-fangio-was-kidnapped-cuba |access-date=2021-05-17 |publisher=ESPN |archive-date=2021-05-17 |archive-url=https://web.archive.org/web/20210517154652/https://www.espn.com/f1/story/_/id/28999493/when-f1-legend-fangio-was-kidnapped-cuba |url-status=live }}</ref>
*[[1966]] &ndash; In [[Syria]], [[Ba'ath Party]] member [[Salah Jadid]] leads an intra-party military [[coup]] that [[1966 Syrian coup d'état|replaces]] the previous government of General [[Amin al-Hafiz]], also a Baathist.
*[[1971]] &ndash; [[Operation Lam Son 719]]: South Vietnamese General [[Do Cao Tri]] was killed in a helicopter crash en route to taking control of the faltering campaign.<ref>{{cite book |last1=Fulghum |first1=David |last2=Maitland |first2=Terrence |title=The Vietnam Experience South Vietnam on Trial: Mid-1970–1972 |publisher=Boston Publishing Company |year=1984 |isbn=0-939526-10-7 |page=61}}</ref>
*[[1974]] &ndash; The [[Symbionese Liberation Army]] demands $4 million more to release kidnap victim [[Patty Hearst]].
*[[1980]] &ndash; [[Iran hostage crisis]]: [[Supreme Leader of Iran|Supreme Leader]] [[Ayatollah]] [[Ruhollah Khomeini]] states that Iran's parliament will decide the fate of the American embassy hostages.
*[[1981]] &ndash; In Spain, [[Antonio Tejero]] attempts [[23-F|a coup d'état]] by capturing the [[Congress of Deputies (Spain)|Spanish Congress of Deputies]].
*[[1983]] &ndash; The [[United States Environmental Protection Agency]] announces its intent to buy out and evacuate the [[Polychlorinated dibenzodioxins|dioxin]]-contaminated community of [[Times Beach, Missouri]].
*[[1987]] &ndash; [[Supernova 1987a]] is seen in the [[Large Magellanic Cloud]].
*[[1988]] &ndash; Saddam Hussein begins the [[Anfal genocide]] against Kurds and Assyrians in northern Iraq.<ref>{{cite book |title=Genocide in Iraq: The Anfal Campaign Against the Kurds |publisher=Human Rights Watch |date=July 1993 |url=https://www.hrw.org/reports/1993/iraqanfal/ |isbn=1-56432-108-8 |access-date=2020-10-01 |archive-date=2010-10-19 |archive-url=https://web.archive.org/web/20101019060336/http://www.hrw.org/reports/1993/iraqanfal/ |url-status=live }}</ref>
*[[1991]] &ndash; In [[Thailand]], General [[Sunthorn Kongsompong]] leads a bloodless [[coup d'état]], [[1991 Thai coup d'état|deposing]] Prime Minister [[Chatichai Choonhavan]].
*[[1998]] &ndash; In the United States, [[1998 Kissimmee tornado outbreak|tornadoes in central Florida]] destroy or damage 2,600 structures and kill 42 people.
*[[1999]] &ndash; [[Kurds|Kurdish]] rebel leader [[Abdullah Öcalan]] is charged with [[treason]] in [[Ankara]], Turkey.
*  1999   &ndash; An [[avalanche]] [[1999 Galtür avalanche|buries the town]] of [[Galtür]], Austria, killing 31.<ref name="bbc-anatomy">{{cite web|last=Paterson|first=Bill|date=25 November 1999|title=Anatomy of an Avalanche|url=http://www.bbc.co.uk/science/horizon/1999/avalanche_script.shtml|work=BBC|accessdate=7 February 2014|archive-date=16 April 2021|archive-url=https://web.archive.org/web/20210416085822/http://www.bbc.co.uk/science/horizon/1999/avalanche_script.shtml|url-status=live}}</ref><ref name="national-geographic">{{cite web|date=|title=Seconds from Disaster: Alpine Tsunami|url=https://www.youtube.com/watch?v=QOa24my8HhU|publisher=National Geographic|accessdate=7 February 2014}}{{cbignore}}{{Dead YouTube link|date=February 2022}}</ref>
*[[2007]] &ndash; A [[Grayrigg derailment|train derails]] on an evening express service near [[Grayrigg]], [[Cumbria]], England, killing one person and injuring 88. This results in hundreds of points being checked over the UK after a few similar accidents.
*[[2008]] &ndash; A [[United States Air Force]] [[B-2 Spirit]] bomber [[2008 Andersen Air Force Base B-2 accident|crashes on Guam]], marking  the first operational loss of a B-2.
*[[2010]] &ndash; Unknown criminals pour more than {{frac|2|1|2}} million liters of [[diesel oil]] and other [[hydrocarbon]]s into the river [[Lambro]], in northern Italy, sparking an [[environmental disaster]].
*[[2012]] &ndash; A [[23 February 2012 Iraq attacks|series of attacks]] across [[Iraq]] leave at least 83 killed and more than 250 injured.
*[[2017]] &ndash; The Turkish-backed [[Free Syrian Army]] [[Battle of al-Bab|captures Al-Bab]] from [[ISIL]].<ref>{{cite news |url=https://www.washingtonpost.com/world/middle_east/turkey-backed-rebels-enter-center-of-islamic-states-al-bab-strongholdin-syria/2017/02/23/e389a506-f9c3-11e6-9b3e-ed886f4f4825_story.html |title=Turkey-backed rebels seize Islamic State's al-Bab stronghold in Syria |date=2017-02-23 |newspaper=The Washington Post |access-date=2017-02-23 |first1=Louisa |last1=Loveluck |first2=Liz |last2=Sly |archive-date=2017-12-24 |archive-url=https://web.archive.org/web/20171224113943/https://www.washingtonpost.com/world/middle_east/turkey-backed-rebels-enter-center-of-islamic-states-al-bab-strongholdin-syria/2017/02/23/e389a506-f9c3-11e6-9b3e-ed886f4f4825_story.html |url-status=live }}</ref>
*[[2019]] &ndash; [[Atlas Air Flight 3591]], a [[Boeing 767]] freighter, crashes into [[Trinity Bay (Texas)|Trinity Bay]] near [[Anahuac, Texas]], killing all three people on board.<ref>{{Cite web |url=https://www.ntsb.gov/investigations/Pages/DCA19MA086.aspx |title=DCA19MA086 |website=ntsb.gov |access-date=2019-03-15 |archive-date=2019-03-13 |archive-url=https://web.archive.org/web/20190313104623/https://www.ntsb.gov/investigations/Pages/DCA19MA086.aspx |url-status=live }}</ref>
*[[2020]] &ndash; [[Murder of Ahmaud Arbery|Ahmaud Arbery]], a 25-year-old African-American citizen, is shot and murdered by three white men after visiting a house under construction while jogging at a neighborhood in Satilla Shores near [[Brunswick, Georgia|Brunswick]] in [[Glynn County, Georgia]].<ref name="FaussetMay10">{{cite news|last1=Fausset|first1=Richard|date=May 5, 2020|title=What We Know About the Shooting Death of Ahmaud Arbery|work=[[The New York Times]]|url=https://www.nytimes.com/article/ahmaud-arbery-shooting-georgia.html|url-status=live|url-access=limited|access-date=May 11, 2020|archive-url=https://archive.today/20200511074019/https://www.nytimes.com/article/ahmaud-arbery-shooting-georgia.html|archive-date=May 11, 2020}}</ref>
*[[2021]] &ndash; [[February 2021 Ecuadorian prison riots|Four simultaneous prison riots]] leave at least 62 people dead in [[Ecuador]].<ref>{{cite news |title=At least 62 killed in Ecuadorean prison gang riots |url=https://indianexpress.com/article/world/ecuador-prison-gang-riots-deaths-7202099/ |access-date=March 11, 2021 |work=The Indian Express |date=24 February 2021 |archive-date=25 February 2021 |archive-url=https://web.archive.org/web/20210225144535/https://indianexpress.com/article/world/ecuador-prison-gang-riots-deaths-7202099/ |url-status=live }}</ref>