Editing May 25 (section)

===1901–present===
*[[1914]] &ndash; The [[House of Commons of the United Kingdom]] passes [[Home Rule Act 1914|the Home Rule Bill]] for [[devolution]] in Ireland.
*[[1925]] &ndash; [[Scopes Trial]]: [[John T. Scopes]] is indicted for teaching [[human evolution]] in Tennessee.<ref name="CBOD">{{cite book |last1=Fergusson |first1=Rosalind |title=Book of Days: A miscellany of popular antiquities in connection with the calendar |date=2004 |publisher=[[Chambers (publisher)|Chambers]] |isbn=0550100830 |page=256-257}}</ref>
*[[1926]] &ndash; [[Sholom Schwartzbard]] assassinates [[Symon Petliura]], the head of the government of the [[Ukrainian People's Republic]], which is in [[exile|government-in-exile]] in Paris.
*[[1933]] &ndash; [[The Walt Disney Company]] [[cartoon]] ''[[Three Little Pigs (film)|Three Little Pigs]]'' premieres at [[Radio City Music Hall]], featuring the hit song "[[Who's Afraid of the Big Bad Wolf?]]"<ref>{{cite book|last=Doherty|first=Thomas|title=Pre-Code Hollywood: Sex, Immorality and Insurrection in American Cinema, 1930-34|location=New York|publisher=Columbia University Press|date=1999|isbn=9780231110952|url=https://books.google.com/books?id=tyZx10XsSbIC|page=69}}</ref>
*[[1935]] &ndash; [[Jesse Owens]] of [[Ohio State University]] breaks three world records and ties a fourth at the [[Big Ten Conference]] Track and Field Championships in [[Ann Arbor, Michigan]].<ref name="CBOD"/>
*[[1938]] &ndash; [[Spanish Civil War]]: The bombing of [[Alicante]] kills 313 people.
*[[1940]] &ndash; [[World War II]]: The German [[2nd Panzer Division (Wehrmacht)|2nd Panzer Division]] captures the port of [[Boulogne-sur-Mer]]; the surrender of the last French and British troops marks the end of the [[Battle of Boulogne (1940)|Battle of Boulogne]].
*[[1946]] &ndash; The parliament of [[Jordan|Transjordan]] makes [[Abdullah I of Jordan]] their [[Emir]].
*[[1953]] &ndash; [[Nuclear weapons testing]]: At the [[Nevada Test Site]], the United States [[Upshot-Knothole Grable|conducts its first and only]] [[nuclear artillery]] test.
*  1953   &ndash; The first [[Public broadcasting|public television station]] in the United States officially begins broadcasting as [[KUHT]] from the campus of the [[University of Houston]].
*[[1955]] &ndash; In the United States, a night-time [[Fujita scale|F5]] [[tornado]] strikes the small city of [[Udall, Kansas]] as part of [[1955 Great Plains tornado outbreak|a larger outbreak across the Great Plains]], killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.
*  1955   &ndash; First ascent of Mount [[Kangchenjunga]]: On the [[1955 British Kangchenjunga expedition|British Kangchenjunga expedition]] led by [[Charles Evans (mountaineer)|Charles Evans]], [[Joe Brown (climber)|Joe Brown]] and [[George Band]] reach the summit of the third-highest mountain in the world (8,586 meters); Norman Hardie and [[Tony Streather]] join them the following day.
*[[1961]] &ndash; [[Apollo program]]: U.S. President [[John F. Kennedy]] announces, before a special joint session of the [[United States Congress|U.S. Congress]], his goal to initiate a project to put a "man on the [[Moon]]" before the end of the decade.<ref>[https://history.nasa.gov/moondec.html NASA article]</ref>
*[[1963]] &ndash; The [[Organisation of African Unity]] is established in [[Addis Ababa]], Ethiopia.
*[[1966]] &ndash; [[Explorer program]]: ''[[Explorer 32]]'' launches.
*[[1968]] &ndash; The [[Gateway Arch]] in [[St. Louis]], Missouri, is dedicated.
*[[1973]] &ndash; In protest against the [[Greek military junta of 1967–74|dictatorship in Greece]], the captain and crew on Greek naval destroyer {{ship|Greek destroyer|Velos|D16|2}} mutiny and refuse to return to Greece, instead anchoring at [[Fiumicino]], Italy.
*[[1977]] &ndash; [[Star Wars (film)|''Star Wars'']] (retroactively titled ''Star Wars: Episode IV – A New Hope'') is released in US theaters.
*  1977   &ndash; The Chinese government removes a decade-old ban on [[William Shakespeare]]'s work, effectively ending the [[Cultural Revolution]] started in 1966.
*[[1978]] &ndash; The first of a series of bombings orchestrated by the [[Unabomber]] detonates at [[Northwestern University]] resulting in minor injuries.
*[[1979]] &ndash; [[John Spenkelink]], a convicted murderer, is executed in [[Florida]]; he is the first person to be executed in the state after the reintroduction of capital punishment in 1976.<ref>{{Cite news|url=https://www.washingtonpost.com/archive/politics/1979/05/26/convicted-murderer-executed-by-florida/6610a1bd-c62c-43ec-8c2e-134733c09d6f/|title=Convicted Murderer Executed by Florida|last=Curry|first=Bill|date=1979-05-26|newspaper=Washington Post|access-date=2018-03-25|language=en-US|issn=0190-8286}}</ref>
*  1979   &ndash; [[American Airlines Flight 191]]: A [[McDonnell Douglas DC-10]] crashes during takeoff at [[O'Hare International Airport]], Chicago, killing all 271 on board and two people on the ground.
*[[1981]] &ndash; In [[Riyadh]], the [[Gulf Cooperation Council]] is created between [[Bahrain]], [[Kuwait]], [[Oman]], [[Qatar]], [[Saudi Arabia]] and the [[United Arab Emirates]].
*[[1982]] &ndash; [[Falklands War]]: [[HMS Coventry (D118)|HMS ''Coventry'']] is sunk by [[Argentine Air Force]] [[Douglas A-4 Skyhawk|A-4 Skyhawks]].
*[[1985]] &ndash; [[Bangladesh]] is hit by a [[tropical cyclone]] and [[storm surge]], which kills approximately 10,000 people.
*[[1986]] &ndash; The [[Hands Across America]] event takes place.
*[[1997]] &ndash; A [[military coup]] in [[Sierra Leone]] replaces President [[Ahmad Tejan Kabbah]] with Major [[Johnny Paul Koroma]].
*[[1999]] &ndash; The [[United States House of Representatives]] releases the ''[[Cox Report]]'' which details [[China]]'s nuclear espionage against the U.S. over the prior two decades.
*[[2000]] &ndash; [[Liberation Day (Lebanon)|Liberation Day of Lebanon]]: [[Israel]] withdraws its army from Lebanese territory (with the exception of the disputed [[Shebaa farms]] zone) 18 years after the [[1982 Lebanon War|invasion of 1982]].
*[[2001]] &ndash; [[Erik Weihenmayer]] becomes the first blind person to reach the summit of [[Mount Everest]], in the [[Himalayas]], with Dr. Sherman Bull.<ref>{{Cite magazine |url=http://content.time.com/time/world/article/0,8599,130017,00.html |title=The Other Guy on Top of the World |first=Taylor |last=Gray |magazine=[[Time (magazine)|Time]] |date=June 11, 2001 |via=content.time.com}}</ref>
*[[2002]] &ndash; [[China Airlines Flight 611]] disintegrates in mid-air and crashes into the [[Taiwan Strait]], with the loss of all 225 people on board.
*[[2008]] &ndash; [[NASA]]'s ''[[Phoenix (spacecraft)|Phoenix]]'' lander touches down in the [[Green Valley (Mars)|Green Valley]] region of [[Mars]] to search for environments suitable for water and [[Life on Mars|microbial life]].
*[[2009]] &ndash; [[North Korea]] allegedly tests [[2009 North Korean nuclear test|its second nuclear device]], after which Pyongyang also conducts several missile tests, building tensions in the international community.
*[[2011]] &ndash; [[Oprah Winfrey]] airs her last show, ending her 25-year run of ''[[The Oprah Winfrey Show]]''.
*[[2012]] &ndash; The [[SpaceX Dragon 1]] becomes the [[COTS Demo Flight 2|first commercial spacecraft]] to successfully rendezvous and berth with the [[International Space Station]].<ref>{{Cite news|last=Amos|first=Jonathan|date=2012-05-25|title=Station grabs SpaceX Dragon ship|language=en-GB|work=BBC News|url=https://www.bbc.com/news/science-environment-18195772|access-date=2020-05-25}}</ref>
*[[2013]] &ndash; Suspected [[Naxalite|Maoist rebels]] kill at least 28 people and injure 32 others in [[2013 Naxal attack in Darbha valley|an attack]] on a convoy of [[Indian National Congress]] politicians in [[Chhattisgarh]], India.
*  2013   &ndash; A [[gas cylinder]] [[2013 Pakistan gas bus explosion|explodes]] on a school bus in the Pakistani city of [[Gujrat City|Gujrat]], killing at least 18 people.
*[[2018]] &ndash; The [[General Data Protection Regulation]] (GDPR) becomes enforceable in the [[European Union]].
*  2018   &ndash; [[Republic of Ireland|Ireland]] votes to repeal the [[Eighth Amendment of the Constitution of Ireland|Eighth Amendment of their constitution]] that prohibits [[Abortion in the Republic of Ireland|abortion]] in all but a few cases, choosing to replace it with the [[Thirty-sixth Amendment of the Constitution of Ireland]].