Editing May 1 (section)

===1901–present===
*[[1915]] &ndash; {{RMS|Lusitania}} departs from [[New York City]] on her 202nd, and final, crossing of the [[North Atlantic]]. Six days later, the ship is torpedoed off the coast of [[Ireland]] with the loss of 1,198 lives.
*[[1919]] &ndash; German troops enter [[Munich]] to suppress the [[Bavarian Soviet Republic]].
*[[1921]] &ndash; The [[Jaffa riots]] commence.<ref name="Kessler">{{Cite web |last=Kessler |first=Oren |author-link=Oren Kessler |title=1921 Jaffa riots 100 years on: Mandatory Palestine's 1st 'mass casualty' attack |url=https://www.timesofisrael.com/1921-jaffa-riots-100-years-on-mandatory-palestines-1st-mass-casualty-event/ |access-date=2022-04-24 |work=[[The Times of Israel]]}}</ref>
*[[1925]] &ndash; The [[All-China Federation of Trade Unions]] is officially founded. Today it is the largest [[trade union]] in the world, with 134&nbsp;million members.
*[[1929]] &ndash; The 7.2 {{M|w}} [[1929 Kopet Dag earthquake|Kopet Dag earthquake]] shakes the Iran–Turkmenistan border region with a maximum [[Mercalli intensity scale|Mercalli intensity]] of IX (''Violent''), killing up to 3,800 and injuring 1,121.
*[[1930]] &ndash; "Pluto" is officially proposed for the name of [[Pluto|the newly discovered dwarf planet]] by [[Vesto Slipher]] in the ''[[Lowell Observatory]] Observation Circular''. The name quickly catches on.<ref>{{cite book|last=Littmann|first=Mark|title=Planets Beyond: Discovering the Outer Solar System|location=Mineola, N.Y.|publisher=Dover Publications|date=2004|isbn=978-0-486-43602-9|url=https://books.google.com/books?id=RoJMadct4TQC|pages=84–86|postscript=none}}; {{cite book|last1=Cruikshank|first1=Dale P.|last2=Sheehan|first2=William|title=Discovering Pluto: Exploration at the Edge of the Solar System|location=Tucson, Ariz.|publisher=The University of Arizona Press|date=2019|isbn=978-0-8165-3938-3|url=https://books.google.com/books?id=YeRHDwAAQBAJ|pages=148–151}}</ref>
*[[1931]] &ndash; The [[Empire State Building]] is dedicated in New York City.
*[[1945]] &ndash; [[World War II]]: German radio broadcasts news of [[Adolf Hitler]]'s death, falsely stating that he has "fallen at his command post in the [[Reich Chancellery]] fighting to the last breath against [[Bolshevism]] and for Germany". The [[Flag of the Soviet Union|Soviet flag]] is raised over the Reich Chancellery, by order of [[Joseph Stalin|Stalin]].
*1945 &ndash; World War II: Up to 2,500 people die in a [[mass suicide in Demmin]] following the advance of the [[Red Army]].
*[[1946]] &ndash; Start of three-year [[1946 Pilbara strike|Pilbara strike]] of [[Indigenous Australians]].
*[[1947]] &ndash; [[Portella della Ginestra massacre]] against [[May Day]] celebrations in [[Sicily]] by the bandit and separatist leader [[Salvatore Giuliano]] where 11 persons are killed and 33 wounded.
*[[1956]] &ndash; The [[polio vaccine]] developed by [[Jonas Salk]] is made available to the public.
*[[1957]] &ndash; A [[Vickers VC.1 Viking]] [[1957 Blackbushe Viking accident|crashes]] while attempting to return to [[Blackbushe Airport]] in [[Yateley]], killing 34.<ref>{{Cite web |last=Ranter |first=Harro |title=ASN Aircraft accident Vickers 610 Viking 1B G-AJBO Star Hill |url=https://aviation-safety.net/database/record.php?id=19570501-0 |access-date=2022-04-30 |website=aviation-safety.net |publisher=[[Aviation Safety Network]]}}</ref>
*[[1960]] &ndash; [[Cold War]]: [[1960 U-2 incident|U-2 incident]]: [[Francis Gary Powers]], in a [[Lockheed U-2]] [[spyplane]], is shot down over the [[Sverdlovsk Oblast]], [[Soviet Union]], sparking a diplomatic crisis.
*[[1961]] &ndash; The [[Prime Minister of Cuba]], [[Fidel Castro]], proclaims [[Cuba]] a [[Socialism|socialist]] nation and abolishes elections.
*[[1970]] &ndash; [[Vietnam War]]: Protests erupt in response to U.S. and [[South Vietnam]]ese forces attacking [[Communist Party of Vietnam|Vietnamese communists]] in a [[Cambodian Campaign]].
*[[1971]] &ndash; [[Amtrak]] (the National Railroad Passenger Corporation) takes over operation of [[Rail transportation in the United States#Passenger railroads|U.S. passenger rail service]].<ref>{{cite book|last1=DuBaly|first1=Kevin|last2=Schafer|first2=Mike|last3=Boyd|first3=Jim|last4=Jessup|first4=Steve|last5=McBride|first5=Andrew|last6=Glischinski|first6=Steve|title=The Complete Book of North American Railroading|location=New York|publisher=Crestline|date=2016|isbn=978-0-7858-3389-5|url=https://books.google.com/books?id=4kQrGUYb-EMC|page=301}}</ref>
*[[1975]] &ndash; The [[Särkänniemi Amusement Park]] opens in [[Tampere]], Finland.<ref>[https://www.tamperelainen.fi/paikalliset/1383679 Ufo Näsijärven rannassa? Vai sittenkin moskeija? – 50 vuotta täyttävän Särkänniemen syntyhistoriassa riittää hurjia suunnitelmia ja vikkeliä käänteitä] (in Finnish)</ref>
*[[1978]] &ndash; Japan's [[Naomi Uemura]], travelling by [[dog sled]], becomes the first person to reach the [[North Pole]] alone.
*[[1982]] &ndash; [[Operation Black Buck]]: The [[Royal Air Force]] attacks the [[Argentine Air Force]] during [[Falklands War]].
*[[1991]] &ndash; [[Angolan Civil War]]: The [[MPLA]] and [[UNITA]] agree to the [[Bicesse Accords]], which are formally signed on May 31 in [[Lisbon]].<ref name="terms">Wright, George. ''The Destruction of a Nation: United States' Policy Towards Angola Since 1945'', 1997. Page 159.</ref><ref>{{Cite web|title=PA-X: Peace Agreements Database|url=https://www.peaceagreements.org/view/207|access-date=2021-06-12|website=www.peaceagreements.org}}</ref>
*[[1993]] &ndash; [[President of Sri Lanka|Sri Lankan President]] [[Ranasinghe Premadasa]] is [[Assassination of Ranasinghe Premadasa|assassinated]] in [[Colombo]] in a [[suicide bombing]] carried out by the [[Liberation Tigers of Tamil Eelam]].<ref>{{cite news|date=2 May 1993|title=Suicide bomber kills leader of Sri Lanka|newspaper=the Washington Post|url=https://www.washingtonpost.com/archive/politics/1993/05/02/suicide-bomber-kills-leader-of-sri-lanka/327fce4c-e105-442f-8d1b-16150110bca7/|access-date=2 August 2023}}</ref>
*[[1994]] &ndash; Three-time [[Formula One]] [[List of Formula One World Drivers' Champions|champion]] [[Ayrton Senna]] is [[Death of Ayrton Senna|killed in an accident]] during the [[1994 San Marino Grand Prix|San Marino Grand Prix]].<ref>{{cite news|date=1 May 1994|title=Race ace Senna killed in car crash|work=BBC News|url=http://news.bbc.co.uk/onthisday/hi/dates/stories/may/1/newsid_2479000/2479971.stm|url-status=live|access-date=28 October 2006|archive-url=https://web.archive.org/web/20060923023405/http://news.bbc.co.uk/onthisday/hi/dates/stories/may/1/newsid_2479000/2479971.stm|archive-date=23 September 2006}}</ref>
*[[1997]] &ndash; Labour Party wins the [[1997 United Kingdom general election|1997 General Election]] and [[Tony Blair]] is elected as Prime Minister<ref>{{cite web |url=https://www.parliament.uk/documents/commons-information-office/m15.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.parliament.uk/documents/commons-information-office/m15.pdf |archive-date=9 October 2022 |url-status=live |title=General Election Results, 1 May 1997 |department=Factsheet No. 68 |last=Morgan |first=Bryn |date=February 1999 |publisher=[[House of Commons Information Office]] |access-date=1 April 2019}}</ref>
*[[1999]] &ndash; The body of British climber [[George Mallory]] is found on [[Mount Everest]], 75 years after his [[1924 British Mount Everest expedition|disappearance in 1924]].<ref>{{cite news|last=Douglas|first=Ed|title=Myth of Mallory preserved in Everest's ice}}</ref>
*[[2003]] &ndash; [[2003 invasion of Iraq|Invasion of Iraq]]: In what becomes known as the "[[Mission Accomplished speech|Mission Accomplished]]" speech, on board the {{USS|Abraham Lincoln|CVN-72|6}} (off the coast of [[California]]), U.S. President [[George W. Bush]] declares that "major combat operations in [[Iraq]] have ended".
*[[2004]] &ndash; [[Cyprus]], [[Czech Republic]], [[Estonia]], [[Hungary]], [[Latvia]], [[Lithuania]], [[Malta]], [[Poland]], [[Slovakia]], and [[Slovenia]] join the [[European Union]], celebrated at the residence of the [[President of Ireland|Irish President]] in [[Dublin]].
*[[2009]] &ndash; [[Same-sex marriage in Sweden|Same-sex marriage]] is legalized in Sweden.<ref>{{Cite news|date=2009-04-01|title=Sweden votes in favor of legalizing gay marriage|language=en|work=Reuters|url=https://www.reuters.com/article/us-sweden-gaymarriage-idUSTRE5307BC20090401|access-date=2021-05-22}}</ref>
*[[2010]] &ndash; [[Faisal Shahzad]] [[2010 Times Square car bombing attempt|attempts]] to detonate a [[car bomb]] in [[Times Square]], but the bomb fails to go off.<ref>{{cite news |last=Bray |first=Chad |date=October 5, 2010 |title=Times Square Bomber Gets Life Sentence |url=https://www.wsj.com/articles/SB10001424052748704469004575533902050370826?mod=djemalertNYnews |url-status=live |archive-url=https://web.archive.org/web/20171201044133/https://www.wsj.com/articles/SB10001424052748704469004575533902050370826?mod=djemalertNYnews |archive-date=December 1, 2017 |access-date=October 5, 2010 |newspaper=The Wall Street Journal |df=mdy-all}}</ref>
*[[2011]] &ndash; [[Pope John Paul II]] is [[Beatification|beatified]] by his successor, [[Pope Benedict XVI]].
*[[2018]] &ndash; [[Syrian civil war]]: The [[Syrian Democratic Forces]] (SDF) resumes the [[Deir ez-Zor campaign (2017–2019)|Deir ez-Zor campaign]] in order to clear the remnants of the [[Islamic State of Iraq and the Levant]] (ISIL) from the [[Iraq–Syria border]].<ref>{{cite web|title=Military Strikes Continue Against Daesh Terrorists in Iraq and Syria|url=http://www.centcom.mil/MEDIA/PRESS-RELEASES/Press-Release-View/Article/1518421/military-strikes-continue-against-daesh-terrorists-in-iraq-and-syria/|work=Centcom.mil}}</ref><ref>{{cite web|url=https://www.reuters.com/article/us-mideast-crisis-syria-sdf/u-s-backed-syrian-forces-resume-battle-against-islamic-state-idUSKBN1I2390|title=U.S.-backed Syrian forces resume battle against Islamic State|work=Reuters|date=1 May 2018}}</ref>
*[[2019]] &ndash; [[Naxalite]] attack in [[Gadchiroli district]] of India: Sixteen army soldiers, including a driver, [[2019 Gadchiroli Naxal Attack|killed in an IED blast]]. Naxals targeted an anti-Naxal operations team.<ref>{{Cite news|url=https://www.cnn.com/2019/05/01/india/india-attack-maharashtra-intl/index.html|title=16 dead in suspected Maoist attack on police convoy in India|work=CNN|access-date=May 1, 2019}}</ref>
*  2019   &ndash; [[Naruhito]] [[2019 Japanese imperial transition|ascends to the throne of Japan]] succeeding his father [[Akihito]], beginning the [[Reiwa]] period.<ref>{{cite news |date=2019-04-01 |title=New Japanese imperial era Reiwa takes name from ancient poetry |publisher=Reuters |url=https://www.reuters.com/article/us-japan-emperor-idUSKCN1RD13X |url-status=live |access-date=2019-04-01 |archive-url=https://web.archive.org/web/20190401041408/https://www.reuters.com/article/us-japan-emperor-idUSKCN1RD13X |archive-date=2019-04-01}}</ref>
*[[2024]] &ndash; The [[2024 Loblaw boycott]], a Canadian boycott against retail corporation and grocer [[Loblaw Companies]], begins.<ref>{{cite news |last1=MacRae |first1=Avery |title='It's got to make some kind of change': Boycott of Loblaws-owned stores begins |url=https://atlantic.ctvnews.ca/it-s-got-to-make-some-kind-of-change-boycott-of-loblaws-owned-stores-begins-1.6869575 |access-date=2 May 2024 |work=[[CTV Atlantic]] |date=1 May 2024 |language=en}}</ref>