Editing July 21 (section)

===1901–present===
*[[1904]] &ndash; [[Louis Rigolly]], a Frenchman, becomes the first man to break the {{convert|100|mph|0|abbr=on}} barrier on land. He drove a 15-liter [[Gobron-Brillié]] in [[Ostend]], Belgium.
*[[1907]] &ndash; The passenger steamer [[SS Columbia (1880)|SS ''Columbia'']] sinks after colliding with the steam schooner ''San Pedro'' off [[Shelter Cove, California]], killing 88 people.
*[[1919]] &ndash; The [[Airship|dirigible]] ''[[Wingfoot Air Express crash|Wingfoot Air Express]]'' crashes into the Illinois Trust and Savings Building in [[Chicago]], killing 12 people.
*[[1920]] &ndash; The "[[Belfast Pogrom]]" begins two years of violence with the expulsion of thousands of [[Catholic Church in Ireland|Catholic]] shipyard, factory and linen mill workers from their jobs.<ref>{{cite news |last=Moore |first=Cormac |date=15 July 2020 |title=The eruption of sectarian violence in Belfast's shipyards during July 1920 would define Belfast's future |url=https://www.irishnews.com/arts/2020/07/15/news/the-eruption-of-sectarian-violence-in-belfast-s-shipyards-during-july-1920-would-define-belfast-s-future-2004487/ |work=The Irish News |access-date=5 May 2022}}</ref>  
*[[1925]] &ndash; [[Scopes Trial]]: In [[Dayton, Tennessee]], high school biology teacher [[John T. Scopes]] is found guilty of teaching [[human evolution]] in class and fined $100.
*  1925 &ndash; [[Malcolm Campbell]] becomes the first man to exceed {{convert|150|mph|0|abbr=on}} on land. At [[Pendine Sands]] in Wales, he drives [[Sunbeam 350HP]] built by [[Sunbeam Motor Car Company|Sunbeam]] at a two-way average speed of {{convert|150.33|mph|0|abbr=on}}.<ref>{{cite web| url = http://www.nationalmotormuseum.org.uk/blue_bird_anniversary| url-status = dead| archive-url = https://web.archive.org/web/20160406013712/http://www.nationalmotormuseum.org.uk/blue_bird_anniversary| archive-date = 2016-04-06| title = Blue Bird Celebrates 90th Anniversary – The National Motor Museum Trust}}</ref>
*[[1936]] &ndash; [[Spanish Civil War]]: The [[Central Committee of Antifascist Militias of Catalonia]] is constituted, establishing an [[anarcho-syndicalist]] economy in [[Revolutionary Catalonia|Catalonia]].<ref>{{cite book | last = Garcia Oliver | first = Juan | title = De Julio a Julio | pages = 193 | location = Barcelona | publisher = CNT | date = July 1937 | chapter = Los organismos revolucionarios – El Comité Central de las Milicias Antifascistas de Cataluña | language = es }}</ref>
*[[1944]] &ndash; [[World War II]]: [[Battle of Guam (1944)|Battle of Guam]]: American troops land on [[Guam]], starting a battle that will end on [[August 10]].
*  1944 &ndash; World War II: [[Claus von Stauffenberg]] and four fellow conspirators are executed for the [[20 July plot|July 20 plot]] to assassinate Adolf Hitler.
*[[1949]] &ndash; The [[United States Senate]] ratifies the [[North Atlantic Treaty]].
*[[1951]] &ndash; [[Canadian Pacific Air Lines Flight 3505]] disappears while flying from [[Vancouver]] to [[Tokyo]]. The aircraft and its 37 occupants are never found.<ref name="CAA">Civil Aviation Authority 1974, p. 12/51</ref>
*[[1952]] &ndash; The 7.3 {{M|w}} [[1952 Kern County earthquake|Kern County earthquake]] strikes [[Southern California]] with a maximum [[Mercalli intensity scale|Mercalli intensity]] of XI (''Extreme''), killing 12 and injuring hundreds. 
*[[1954]] &ndash; [[First Indochina War]]: The [[Geneva Conference (1954)|Geneva Conference]] partitions [[Vietnam]] into [[North Vietnam]] and [[South Vietnam]].
*[[1959]] &ndash; {{Ship|NS|Savannah}}, the first [[nuclear marine propulsion|nuclear-powered]] cargo-passenger ship, is [[ship naming and launching|launched]] as a showcase for [[Dwight D. Eisenhower]]'s "[[Atoms for Peace]]" initiative.
*  1959 &ndash; [[Pumpsie Green|Elijah Jerry "Pumpsie" Green]] becomes the first [[list of African-American firsts|African-American]] to play for the [[Boston Red Sox]], the last team to integrate. He came in as a [[pinch runner]] for [[Vic Wertz]] and stayed in as shortstop in a 2–1 loss to the [[Chicago White Sox]].
*[[1960]] &ndash; [[Sirimavo Bandaranaike]] is elected Prime Minister of [[Sri Lanka]], becoming the world's first female head of government
*[[1961]] &ndash; [[Project Mercury|Mercury program]]: [[Mercury-Redstone 4]] Mission: [[Gus Grissom]] piloting'' [[Mercury-Redstone 4|Liberty Bell 7]]'' becomes the second American to go into space (in a suborbital mission).
*  1961 &ndash; [[Alaska Airlines Flight 779]] crashes near [[Eareckson Air Station|Shemya Air Force Base]] in [[Shemya]], [[Alaska]] killing six.<ref>{{Cite web |last=Ranter |first=Harro |title=ASN Aircraft accident Douglas DC-6A N6118C Shemya AFB, AK (SYA) |url=https://aviation-safety.net/database/record.php?id=19610721-0 |access-date=2022-07-20 |website=aviation-safety.net |publisher=[[Aviation Safety Network]]}}</ref>
*[[1964]] &ndash; [[1964 race riots in Singapore|A series of racial riots]] break out in Singapore. In the next six weeks, 23 die with 454 others injured.<ref name=":0">{{Cite journal |last=Cheng |first=Adeline Low Hwee |date=2001 |title=The past in the present: Memories of the 1964 'racial riots' in Singapore |journal=Asian Journal of Social Science |volume=29 |issue=3 |pages=431–455 |doi=10.1163/156853101X00181}}</ref>
*[[1969]] &ndash; [[Apollo program]]: At 02:56 UTC, astronaut [[Neil Armstrong]] becomes the [[Apollo 11#Lunar surface operations|first person to walk on the Moon]], followed 19 minutes later by [[Edwin "Buzz" Aldrin]].
*[[1970]] &ndash; After 11 years of construction, the [[Aswan Dam|Aswan High Dam]] in [[Egypt]] is completed.
*[[1972]] &ndash; [[The Troubles]]: [[Bloody Friday (1972)|Bloody Friday]]: The [[Provisional Irish Republican Army|Provisional IRA]] detonate 22 bombs in central [[Belfast|Belfast, Northern Ireland, United Kingdom]] in the space of 80 minutes, killing nine and injuring 130.
*[[1973]] &ndash; In [[Lillehammer affair|Lillehammer, Norway]], [[Mossad]] agents kill a waiter whom they mistakenly thought was involved in the 1972 [[Munich massacre|Munich Olympics Massacre]].
*[[1976]] &ndash; [[Christopher Ewart-Biggs]], the British ambassador to the [[Republic of Ireland]], is assassinated by the Provisional IRA.
*[[1977]] &ndash; The start of the four-day-long [[Libyan–Egyptian War]].
*[[1979]] &ndash; [[Jay Silverheels]], a [[Mohawk people|Mohawk]] actor, becomes the first [[Native American People|Native American]] to have a star commemorated in the [[Hollywood Walk of Fame]].<ref name=":1">{{Cite book|title=The Native North American Almanac|last=Champagne|first=Duane|publisher=Gale Group|year=2001|isbn=0787616559|location=Farmington Hills, MI|pages=75}}</ref>
*[[1983]] &ndash; The [[Lowest temperature recorded on Earth|world's lowest temperature]] in an inhabited location is recorded at [[Vostok Station]], Antarctica at {{convert|-89.2|°C|°F}}.
*[[1990]] &ndash; [[Republic of China Military Police|Taiwan's military police]] forces mainland Chinese illegal immigrants into sealed holds of a fishing boat ''[[Min Ping Yu No. 5540 incident|Min Ping Yu No. 5540]]'' for repatriation to [[Fujian]], causing 25 people to die from suffocation.<ref>{{cite news|url=https://www.upi.com/Archives/1990/08/03/China-Taiwan-set-adrift-26-to-die/4340649656000/|title=China: Taiwan set adrift 26 to die|author=Sarah Lubman|work=UPI|date=August 3, 1990|access-date=July 20, 2019}}</ref>
*[[1995]] &ndash; [[Third Taiwan Strait Crisis]]: The [[People's Liberation Army]] begins firing missiles into the waters north of [[Taiwan]].
*[[2001]] &ndash; At the conclusion of a fireworks display on Okura Beach in [[Akashi, Hyōgo]], Japan, [[Akashi pedestrian bridge accident|11 people are killed and more than 120 are injured]] when a pedestrian footbridge connecting the beach to JR [[Asagiri Station (Hyōgo)|Asagiri Station]] becomes overcrowded and people leaving the event fall down in a domino effect.
*[[2005]] &ndash; Four [[21 July 2005 London Bombings|attempted bomb attacks]] by Islamist extremists disrupt part of [[London]]'s public transport system. 
*[[2008]] &ndash; [[Ram Baran Yadav]] is declared the first [[President of Nepal]].
*[[2010]] &ndash; President [[Barack Obama]] signs the [[Dodd–Frank Wall Street Reform and Consumer Protection Act]].<ref>{{Cite web|date=2016-10-07|title=Barack Obama – Key Events {{!}} Miller Center|url=https://millercenter.org/president/barack-obama/key-events|access-date=2022-01-11|website=millercenter.org}}</ref>
*[[2011]] &ndash; [[NASA]]'s [[Space Shuttle program]] ends with the landing of [[Space Shuttle Atlantis|Space Shuttle ''Atlantis'']] on mission [[STS-135]] at [[NASA]]'s [[Kennedy Space Center]].<ref>{{cite web|url=https://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/main/index.html|title=STS-135 Mission Information|website=NASA|access-date=November 1, 2019}}</ref>
*[[2012]] &ndash; [[Erden Eruç]] completes the first solo [[Human-powered transport|human-powered]] circumnavigation of the world.
*[[2019]] &ndash; [[2019 Yuen Long attack|Yuen Long attack]] or "721 incident" in Hong Kong. [[Triad (organized crime)|Triad]] members indiscriminately beat civilians returning from [[2019–20 Hong Kong protests|protests]] while police failed to take action.<ref>{{cite news|url=https://www.theguardian.com/world/2019/jul/22/where-were-the-police-hong-kong-outcry-after-masked-thugs-launch-attack|title='Where were the police?' Hong Kong outcry after masked thugs launch attack|date=22 July 2019|newspaper=The Guardian|access-date=23 July 2019|archive-url=https://web.archive.org/web/20190722033537/https://www.theguardian.com/world/2019/jul/22/where-were-the-police-hong-kong-outcry-after-masked-thugs-launch-attack|archive-date=22 July 2019|url-status=live}}</ref>
*[[2023]] &ndash; The [[Barbenheimer]] phenomenon begins as two major motion pictures, [[Greta Gerwig]]'s [[fantasy comedy]] ''[[Barbie (film)|Barbie]]'' and [[Christopher Nolan]]'s [[epic film|epic]] [[biographical film|biographical]] [[thriller film|thriller]] ''[[Oppenheimer (film)|Oppenheimer]]'', are released in theaters on the same day and audiences, instead of creating a rivalry between the extremely dissimilar films, instead attend and praise both as an informal, surreal [[double feature]].<ref>{{Cite web |last=Romano |first=Aja |date=July 10, 2023 |title=Barbieheimer: It's black. It's pink. It's more meaningful than you think |url=https://www.vox.com/culture/23789864/barbenheimer-barbieheimer-barbie-oppenheimer-release-memes-double-feature |access-date=July 11, 2023 |website=[[Vox (website)|Vox]]|archive-date=July 10, 2023 |archive-url=https://web.archive.org/web/20230710223328/https://www.vox.com/culture/23789864/barbenheimer-barbieheimer-barbie-oppenheimer-release-memes-double-feature |url-status=live }}</ref><ref>{{Cite web |title=Everything to know about Barbieheimer, the summer's hottest trend |url=https://ew.com/movies/barbieheimer-everything-to-know/ |access-date=2023-11-29 |website=EW.com}}</ref>
*[[2024]] &ndash; [[Joe Biden|US President Joe Biden]] announces he will no longer seek a second term and [[Withdrawal of Joe Biden from the 2024 United States presidential election|withdraws]] from the [[2024 United States presidential election|2024 election]].<ref>{{Cite web |last=Williams |first=Michael |date=2024-07-21 |title=Biden drops out of the 2024 presidential race {{!}} CNN Politics |url=https://www.cnn.com/2024/07/21/politics/joe-biden-drops-out-election/index.html |access-date=2024-07-21 |publisher=CNN}}</ref>