Editing May 27 (section)

==Events==
===Pre-1600===
*[[1096]] &ndash; [[Count Emicho]] enters [[Mainz]], where his followers [[Rhineland massacres#Emicho|massacre Jewish citizens]].<ref name="Golb">{{Cite book|title=The Jews in Medieval Normandy: a social and intellectual history|author=Norman Golb|year=1998|location=Cambridge, United Kingdom|publisher=Cambridge University Press}}</ref> At least 600 Jews are killed.<ref>{{Cite news|url=https://www.haaretz.com/jewish/this-day-massacre-in-mainz-1.5249699|title = This Day in Jewish History / Crusaders massacre the Jews of Mainz|newspaper = Haaretz}}</ref>
*[[1120]] &ndash; [[Richard III of Capua]] is anointed as [[Prince of Capua|Prince]] two weeks before his untimely death.
*[[1153]] &ndash; [[Malcolm IV of Scotland|Malcolm IV]] becomes King of Scotland.
*[[1199]] &ndash; [[John, King of England|John]] is crowned King of England.
*[[1257]] &ndash; [[Richard of Cornwall]], and his wife, [[Sanchia of Provence]], are crowned King and Queen of the Germans at [[Aachen Cathedral]].<ref>Goldstone, Nancy (2008). ''Four Queens; The Provençal Sisters who ruled Europe.'' Penguin Books, London, p. 213.</ref>

===1601–1900===
*[[1644]] &ndash; [[Manchu]] regent [[Dorgon]] defeats rebel leader [[Li Zicheng]] of the [[Shun dynasty]] at the [[Battle of Shanhai Pass]], allowing the Manchus to enter and conquer the capital city of Beijing.
*[[1703]] &ndash; Tsar [[Peter the Great]] founds the city of [[Saint Petersburg]].
*[[1798]] &ndash; The [[Pitt–Tierney duel]] takes place on [[Putney Heath]] outside [[London]]. A bloodless [[duel]] between the [[Prime Minister of Great Britain]] [[William Pitt the Younger]] and his political opponent [[George Tierney]].<ref>Nester, William. ''The Coalitions Against Napoleon: How British Money, Manufacturing and Military Power Forged the Alliances that Achieved Victory''. Frontline Books, 2023. p.103</ref>
*  1798   &ndash; The [[Battle of Oulart Hill]] takes place in [[Wexford]], Ireland; Irish rebel leaders defeat and kill a detachment of militia.<ref>{{cite book|first1=Derek|last1=Warfield|author-link1=Derek Warfield|first2=Raymond|last2=Daly|title=Celtic & Ireland in Song and Story|url=https://books.google.com/books?id=BzVdDQAAQBAJ&pg=PT118|date=17 April 2012|publisher=BookBaby|isbn=978-1-62095-764-6|page=118}}</ref>
*[[1799]] &ndash; [[War of the Second Coalition]]: [[Habsburg monarchy|Austrian]] forces defeat the [[French First Republic|French]] at [[Battle of Winterthur (1799)|Winterthur]], Switzerland.
*[[1813]] &ndash; [[War of 1812]]: In Canada, American forces capture [[Battle of Fort George|Fort George]].
*[[1860]] &ndash; [[Giuseppe Garibaldi]] begins the [[Siege of Palermo]], part of the wars of [[Italian unification]].
*[[1863]] &ndash; [[American Civil War]]: The first Union infantry assault of the [[Siege of Port Hudson]] occurs.
*[[1874]] &ndash; The first group of [[Dorsland Trek|Dorsland trekkers]] under the leadership of [[Gert Alberts]] leaves [[Pretoria]].
*[[1883]] &ndash; [[Alexander III of Russia|Alexander III]] is crowned Tsar of Russia.
*[[1896]] &ndash; The [[Fujita scale|F4]]-strength [[1896 St. Louis–East St. Louis tornado|St. Louis–East St. Louis tornado]] hits in [[St. Louis, Missouri]], and [[East St. Louis, Illinois]], killing at least 255 people and causing over $10 million in damage.

===1901–present===
*[[1905]] &ndash; [[Russo-Japanese War]]: The [[Battle of Tsushima]] begins.
*[[1915]] &ndash; [[HMS Princess Irene|HMS ''Princess Irene'']] explodes and sinks off [[Sheerness]], [[Kent]], with the loss of 352 lives.
*[[1917]] &ndash; [[Pope Benedict XV]] promulgates the [[1917 Code of Canon Law|1917 ''Code of Canon Law'']], the first comprehensive [[Codification (law)|codification]] of [[Catholic canon law]] in the [[legal history of the Catholic Church]].
*[[1919]] &ndash; The [[NC-4]] aircraft arrives in [[Lisbon]] after completing the first [[transatlantic flight]].
*[[1927]] &ndash; The [[Ford Motor Company]] ceases manufacture of the [[Ford Model T]] and begins to retool plants to make the [[Ford Model A (1927–1931)|Ford Model A]].
*[[1930]] &ndash; The {{convert|1046|ft|m}} [[Chrysler Building]] in [[New York City]], the [[List of tallest buildings in the world|tallest man-made structure]] at the time, opens to the public.
*[[1933]] &ndash; [[New Deal]]: The U.S. [[Federal Securities Act]] is signed into law requiring the registration of securities with the [[Federal Trade Commission]].
*[[1935]] &ndash; New Deal: The [[Supreme Court of the United States]] declares the [[National Industrial Recovery Act]] to be unconstitutional in ''[[A.L.A. Schechter Poultry Corp. v. United States]]'', (295 U.S. 495).<ref>{{cite book|last=Schlesinger|first=Arthur M. Jr.|title=The Age of Roosevelt. Vol. 3: The Politics of Upheaval, 1935–1936|location=Boston|publisher=Houghton Mifflin|date=2003|isbn=978-0-547-52425-2|url=https://books.google.com/books?id=wa_qDwAAQBAJ|pages=279–280}}</ref>
*[[1937]] &ndash; In [[California]], the [[Golden Gate Bridge]] opens to pedestrian traffic, creating a vital link between [[San Francisco]] and [[Marin County, California]].
*[[1940]] &ndash; [[World War II]]: In the [[Le Paradis massacre]], 99 soldiers from a [[Royal Norfolk Regiment]] unit are shot after surrendering to [[Nazi Germany|German]] troops; two survive.
*[[1941]] &ndash; World War II: U.S. President [[Franklin D. Roosevelt]] proclaims an "unlimited national emergency".
*  1941   &ndash; World War II: The {{warship|German battleship|Bismarck}} is sunk in the North Atlantic, killing almost 2,100 men.
*[[1942]] &ndash; World War II: In [[Operation Anthropoid]], [[Reinhard Heydrich]] is fatally wounded in [[Prague]]; he dies of his injuries eight days later.
*[[1950]] &ndash; The [[Linnanmäki]] amusement park is opened for the first time in [[Helsinki]].<ref>[http://greennorth.fi/linnanmaki-amusement-park Linnanmäki Amusement Park – Green North GSA]</ref><ref>[https://finlandabroad.fi/web/grc/current-affairs/-/asset_publisher/h5w4iTUJhNne/content/linnanmaki-60-vuotta/384951 Linnanmäki turns 60 – Greece]</ref>
*[[1958]] &ndash; First flight of the [[McDonnell Douglas F-4 Phantom II]].
*[[1960]] &ndash; In [[Turkey]], a [[1960 Turkish coup d'état|military coup]] removes President [[Celâl Bayar]] and the rest of the democratic government from office.
*[[1962]] &ndash; The [[Centralia mine fire]] is ignited in the town's landfill above a coal mine.
*[[1965]] &ndash; [[Vietnam War]]: American warships begin the first bombardment of [[National Front for the Liberation of Vietnam|National Liberation Front]] targets within [[South Vietnam]].
*[[1967]] &ndash; Australians vote in favor of a [[Australian referendum, 1967 (Aboriginals)|constitutional referendum]] granting the Australian government the power to make laws to benefit [[Indigenous Australians]] and to count them in the national census.
*  1967   &ndash; The U.S. Navy aircraft carrier {{USS|John F. Kennedy|CV-67|6}} is [[Ceremonial ship launching|launched]] by [[Jacqueline Kennedy]] and her daughter [[Caroline Kennedy|Caroline]].
*[[1971]] &ndash; The [[Dahlerau train disaster]], the worst railway accident in West Germany, kills 46 people and injures 25 near [[Wuppertal]].
*  1971   &ndash; Pakistani forces massacre over 200 civilians, mostly [[Bengali Hindus]], in the [[Bagbati massacre]].
*[[1975]] &ndash; [[1975 Dibbles Bridge coach crash|Dibbles Bridge coach crash]] near [[Grassington]], in [[North Yorkshire]], England, kills 33 – the highest ever death toll in a road accident in the United Kingdom.
*[[1977]] &ndash; A [[Aeroflot Flight 331|plane crash]] at [[José Martí International Airport]] in [[Havana]], Cuba, kills 67.<ref>{{Cite web |last=Ranter |first=Harro |title=ASN Aircraft accident Ilyushin Il-62M CCCP-86614 Havana-José Martí International Airport (HAV) |url=https://aviation-safety.net/database/record.php?id=19770527-0 |access-date=2022-05-26 |website=aviation-safety.net |publisher=[[Aviation Safety Network]]}}</ref>
*[[1980]] &ndash; The [[Gwangju Massacre]]: Airborne and army troops of South Korea retake the city of [[Gwangju]] from civil militias, killing at least 207 and possibly many more.
*[[1984]] &ndash; The [[Danube–Black Sea Canal]] is opened, in a ceremony attended by the [[Nicolae Ceaușescu|Ceaușescu]]s. It had been under construction since the 1950s.
*[[1988]] &ndash; [[Somaliland War of Independence]]: The [[Somali National Movement]] launches a [[1988 Hargeisa-Burao offensive|major offensive]] against Somali government forces in [[Hargeisa]] and [[Burao]], then the second- and third-largest cities of [[Somalia]].<ref>{{Cite book|last=Binet|first=Laurence|url=https://books.google.com/books?id=LboiAQAAQBAJ|title=Somalia 1991-1993: Civil War, Famine Alert and a UN "Military-Humanitarian" Intervention|date=2013-10-03|publisher=Médecins Sans Frontières|page=214|language=en}}</ref><ref name=":21">{{Cite book|last=Tekle|first=Amare|url=https://books.google.com/books?id=xbQTEF0rd7wC&pg=PA152|title=Eritrea and Ethiopia: From Conflict to Cooperation|date=1 January 1994|publisher=The Red Sea Press|isbn=978-0-932415-97-4|page=152}}</ref>
*[[1996]] &ndash; [[First Chechen War]]: Russian President [[Boris Yeltsin]] meets with [[Chechnya]]n rebels for the first time and negotiates a cease-fire.
*[[1997]] &ndash; The [[1997 Central Texas tornado outbreak]] occurs, spawning multiple tornadoes in Central Texas, including [[1997 Prairie Dell-Jarrell tornado|the F5 that killed 27]] in [[Jarrell, Texas|Jarrell]].
*[[1998]] &ndash; [[Oklahoma City bombing]]: [[Michael Fortier (American)|Michael Fortier]] is sentenced to 12 years in prison and fined $200,000 for failing to warn authorities about the [[terrorism|terrorist]] plot.
*[[1999]] &ndash; [[Space Shuttle Discovery|Space Shuttle ''Discovery'']] is launched on [[STS-96]], the first shuttle mission to dock with the [[International Space Station]].<ref name="mission page">{{Cite web |last=Warnock |first=Lynda |title=STS-96 |url=https://www.nasa.gov/mission_pages/shuttle/shuttlemissions/archives/sts-96.html |access-date=2020-06-15 |publisher=NASA |language=en}}</ref>
*[[2001]] &ndash; Members of [[Abu Sayyaf]], an [[Islamism|Islamist]] separatist group, [[Dos Palmas kidnappings|seize twenty hostages]] from an affluent island resort on [[Palawan]] in the [[Philippines]]; the hostage crisis would not be resolved until June 2002.
*[[2006]] &ndash; The 6.4 {{M|w}} [[2006 Yogyakarta earthquake|Yogyakarta earthquake]] shakes central [[Java]] with an [[Medvedev–Sponheuer–Karnik scale|MSK]] intensity of VIII (''Damaging''), leaving more than 5,700 dead and 37,000 injured.
*[[2016]] &ndash; [[Barack Obama]] is the first president of the United States to visit [[Hiroshima Peace Memorial Park]] and meet ''[[Hibakusha]]''.
*[[2017]] &ndash; [[Andrew Scheer]] takes over after [[Rona Ambrose]] as the leader of the [[Conservative Party of Canada]].
*[[2018]] &ndash; [[2018 Maryland flood|Maryland Flood Event]]: A flood occurs throughout the [[Patapsco Valley]], causing one death, destroying the entire first floors of buildings on Main Street in [[Ellicott City]], and causing cars to overturn.