- 1096 – Count Emicho enters Mainz, where his followers massacre Jewish citizens.At least 600 Jews are killed.
- 1120 – Richard III of Capua is anointed as Prince two weeks before his untimely death.
- 1153 – Malcolm IV becomes King of Scotland.
- 1199 – John is crowned King of England.
- 1257 – Richard of Cornwall, and his wife, Sanchia of Provence, are crowned King and Queen of the Germans at Aachen Cathedral.
- 1644 – 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 – Tsar Peter the Great founds the city of Saint Petersburg.
- 1798 – The Battle of Oulart Hill takes place in Wexford, Ireland; Irish rebel leaders defeat and kill a detachment of militia.
- 1799 – War of the Second Coalition: Austrian forces defeat the French at Winterthur, Switzerland.
- 1813 – War of 1812: In Canada, American forces capture Fort George.
- 1860 – Giuseppe Garibaldi begins his attack on Palermo, Sicily, as part of the Italian unification.
- 1863 – American Civil War: First Assault on the Confederate works at the Siege of Port Hudson.
- 1874 – The first group of Dorsland trekkers under the leadership of Gert Alberts leaves Pretoria.
- 1883 – Alexander III is crowned Tsar of Russia.
- 1896 – The F4-strength 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.
- 1905 – Russo-Japanese War: The Battle of Tsushima begins.
- 1917 – Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
- 1919 – The NC-4 aircraft arrives in Lisbon after completing the first transatlantic flight.
- 1927 – The Ford Motor Company ceases manufacture of the Ford Model T and begins to retool plants to make the Ford Model A.
- 1930 – The 1,046 feet (319 m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
- 1933 – New Deal: The U.S. Federal Securities Act is signed into law requiring the registration of securities with the Federal Trade Commission.
- 1933 – The Walt Disney Company releases the cartoon Three Little Pigs, with its hit song “Who’s Afraid of the Big Bad Wolf?”
- 1935 – 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).
- 1937 – In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
- 1940 – World War II: In the Le Paradis massacre, 99 soldiers from a Royal Norfolk Regiment unit are shot after surrendering to German troops; two survive.
- 1941 – World War II: U.S. President Franklin D. Roosevelt proclaims an “unlimited national emergency”.
- 1941 – World War II: The German battleship Bismarck is sunk in the North Atlantic killing almost 2,100 men.
- 1942 – World War II: In Operation Anthropoid, Reinhard Heydrich is fatally wounded in Prague; he dies of his injuries eight days later.
- 1958 – First flight of the McDonnell Douglas F-4 Phantom II.
- 1960 – In Turkey, a military coup removes President Celâl Bayar and the rest of the democratic government from office.
- 1962 – The Centralia mine fire is ignited in the town’s landfill above a coal mine.
- 1965 – Vietnam War: American warships begin the first bombardment of National Liberation Front targets within South Vietnam.
- 1967 – Australians vote in favor of a constitutional referendum granting the Australian government the power to make laws to benefit Indigenous Australians and to count them in the national census.
- 1967 – The U.S. Navy aircraft carrier USS John F. Kennedy is launched by Jacqueline Kennedy and her daughter Caroline.
- 1971 – The Dahlerau train disaster, the worst railway accident in West Germany, kills 46 people and injures 25 near Wuppertal.
- 1971 – Pakistani forces massacre over 200 civilians, mostly Bengali Hindus, in the Bagbati massacre.
- 1975 – 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.
- 1980 – 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 – The Danube-Black Sea canal is opened, in a ceremony attended by the Ceaușescus. It had been under construction since the 1950s.
- 1996 – First Chechen War: the Russian President Boris Yeltsin meets with Chechnyan rebels for the first time and negotiates a cease-fire.
- 1997 – The 1997 Central Texas tornado outbreak occurs, spawning multiple tornadoes in Central Texas, including the F5 that killed 27 in Jarrell.
- 1998 – Oklahoma City bombing: Michael Fortier is sentenced to 12 years in prison and fined $200,000 for failing to warn authorities about the terrorist plot.
- 2001 – Members of the Islamist separatist group Abu Sayyaf seize twenty hostages from an affluent island resort on Palawan in the Philippines; the hostage crisis would not be resolved until June 2002.
- 2006 – The 6.4 Mw Yogyakarta earthquake shakes central Java with an MSK intensity of VIII (Damaging), leaving more than 5,700 dead and 37,000 injured.
- 2016 – Barack Obama is the first president of United States to visit Hiroshima Peace Memorial Park and meet Hibakusha.
- 2017 – Andrew Scheer takes over after Rona Ambrose as the leader of the Conservative Party of Canada.
- 2018 – Maryland Flood Event: A flood occurs throughout the Patapsco Valley causing one death and destroying the entire first floors of buildings on Main Street in Ellicott City and causing cars to overturn.
Births on May 27
- 742 – Emperor Dezong of Tang (d. 805)
- 1332 – Ibn Khaldun, Tunisian historian and theologian (d. 1406)
- 1378 – Zhu Quan, Chinese military commander, historian and playwright (d. 1448)
- 1519 – Girolamo Mei, Italian historian and theorist (d. 1594)
- 1537 – Louis IV, Landgrave of Hesse-Marburg (d. 1604)
- 1576 – Caspar Schoppe, German author and scholar (d. 1649)
- 1584 – Michael Altenburg, German theologian and composer (d. 1640)
- 1601 – Antoine Daniel, French-Canadian missionary and saint (d. 1648)
- 1626 – William II, Prince of Orange (d. 1650)
- 1627 – Anne Marie Louise d’Orléans, Duchess of Montpensier (d. 1693)
- 1651 – Louis Antoine de Noailles, French cardinal (d. 1729)
- 1652 – Elizabeth Charlotte, Princess Palatine of Germany (d. 1722)
- 1738 – Nathaniel Gorham, American merchant and politician, 14th President of the Continental Congress (d. 1796)
- 1756 – Maximilian I Joseph of Bavaria (d. 1825)
- 1774 – Francis Beaufort, Irish hydrographer and officer in the Royal Navy (d. 1857)
- 1794 – Cornelius Vanderbilt, American businessman and philanthropist (d. 1877)
- 1814 – John Rudolph Niernsee, Viennese-born American architect (d.1885)
- 1815 – Henry Parkes, English-Australian politician, 7th Premier of New South Wales (d. 1896)
- 1818 – Amelia Bloomer, American journalist and activist (d. 1894)
- 1819 – Julia Ward Howe, American poet and songwriter (d. 1910)
- 1827 – Samuel F. Miller, American lawyer and politician (d. 1892)
- 1832 – Zenas Ferry Moody, American surveyor and politician, 7th Governor of Oregon (d. 1917)
- 1836 – Jay Gould, American businessman and financier (d. 1892)
- 1837 – Wild Bill Hickok, American police officer (d. 1876)
- 1852 – Billy Barnes, English cricketer (d. 1899)
- 1857 – Theodor Curtius, German chemist (d. 1928)
- 1860 – Manuel Teixeira Gomes, Portuguese politician, 7th President of Portugal (d. 1941)
- 1863 – Arthur Mold, English cricketer (d. 1921)
- 1867 – Arnold Bennett, English author and playwright (d. 1931)
- 1868 – Aleksa Šantić, Bosnian poet and author (d. 1924)
- 1871 – Georges Rouault, French painter and illustrator (d. 1958)
- 1875 – Frederick Cuming, English cricketer (d. 1942)
- 1876 – Ferdynand Antoni Ossendowski, Polish journalist and author (d. 1945)
- 1876 – William Stanier, English engineer (d. 1965)
- 1878 – Anna Cervin, Swedish artist (d. 1972)
- 1879 – Karl Bühler, German-American linguist and psychologist (d. 1963)
- 1879 – Hans Lammers, German judge and politician (d. 1962)
- 1883 – Jessie Arms Botke, American painter (d. 1971)
- 1884 – Max Brod, Czech journalist, author, and composer (d. 1968)
- 1887 – Frank Woolley, English cricketer (d. 1978)
- 1888 – Louis Durey, French composer (d. 1979)
- 1891 – Claude Champagne, Canadian violinist, pianist, and composer (d. 1965)
- 1891 – Jaan Kärner, Estonian poet and author (d. 1958)
- 1894 – Louis-Ferdinand Céline, French physician and author (d. 1961)
- 1894 – Dashiell Hammett, American detective novelist and screenwriter (d. 1961)
- 1895 – Douglas Lloyd Campbell, Canadian educator and politician, 13th Premier of Manitoba (d. 1995)
- 1897 – John Cockcroft, English physicist and academic, Nobel Prize laureate (d. 1967)
- 1897 – Dink Templeton, American rugby player and coach (d. 1962)
- 1898 – David Crosthwait, American engineer, inventor and writer (d. 1976)
- 1899 – Johannes Türn, Estonian chess and draughts player (d. 1993)
- 1900 – Lotte Toberentz, German overseer of the Nazi Uckermark concentration camp (d. 1964)
- 1900 – Uładzimir Žyłka, Belarusian poet and translator (d. 1933)
- 1904 – Chūhei Nambu, Japanese jumper and journalist (d. 1997)
- 1906 – Buddhadasa, Thai monk and philosopher (d. 1993)
- 1906 – Harry Hibbs, English footballer (d. 1984)
- 1906 – Antonio Rosario Mennonna, Italian bishop (d. 2009)
- 1907 – Nicolas Calas, Greek-American poet and critic (d. 1988)
- 1907 – Rachel Carson, American biologist, environmentalist, and author (d. 1964)
- 1909 – Dolores Hope, American singer and philanthropist (d. 2011)
- 1911 – Hubert Humphrey, American journalist and politician, 38th Vice President of the United States (d. 1978)
- 1911 – Teddy Kollek, Hungarian-Israeli politician, Mayor of Jerusalem (d. 2007)
- 1911 – Vincent Price, American actor (d. 1993)
- 1912 – John Cheever, American novelist and short story writer (d. 1982)
- 1912 – Sam Snead, American golfer and sportscaster (d. 2002)
- 1912 – Terry Moore, American baseball player, coach, and manager (d. 1995)
- 1915 – Ester Soré, Chilean singer-songwriter (d. 1996)
- 1915 – Herman Wouk, American novelist (d. 2019)
- 1917 – Harry Webster, English engineer (d. 2007)
- 1918 – Yasuhiro Nakasone, Japanese commander and politician, 45th Prime Minister of Japan (d. 2019)
- 1921 – Bob Godfrey, Australian-English animator, director, and voice actor (d. 2013)
- 1922 – Otto Carius, German lieutenant and pharmacist (d. 2015)
- 1922 – Christopher Lee, English actor (d. 2015)
- 1922 – John D. Vanderhoof, American banker and politician, 37th Governor of Colorado (d. 2013)
- 1923 – Henry Kissinger, German-American political scientist and politician, 56th United States Secretary of State, Nobel Prize laureate
- 1923 – Sumner Redstone, American businessman and philanthropist
- 1924 – Jaime Lusinchi, Venezuelan physician and politician, President of Venezuela (d. 2014)
- 1924 – John Sumner, English-Australian director, founded the Melbourne Theatre Company (d. 2013)
- 1925 – Tony Hillerman, American journalist and author (d. 2008)
- 1927 – Jüri Randviir, Estonian chess player and journalist (d. 1996)
- 1928 – Thea Musgrave, Scottish-American composer and educator
- 1930 – John Barth, American novelist and short story writer
- 1930 – William S. Sessions, American civil servant and judge, 8th Director of the Federal Bureau of Investigation
- 1930 – Eino Tamberg, Estonian composer and educator (d. 2010)
- 1931 – André Barbeau, French-Canadian neurologist (d. 1986)
- 1931 – John Chapple, English field marshal and politician, Governor of Gibraltar
- 1931 – Bernard Fresson, French actor (d. 2002)
- 1931 – Faten Hamama, Egyptian actress and producer (d. 2015)
- 1931 – Philip Kotler, American author and professor
- 1933 – Edward Samuel Rogers, Canadian businessman (d. 2008)
- 1933 – Manfred Sommer, Spanish author and illustrator (d. 2007)
- 1934 – Ray Daviault, Canadian-American baseball player
- 1934 – Harlan Ellison, American author and screenwriter (d. 2018)
- 1935 – Daniel Colchico, American football player and coach (d. 2014)
- 1935 – Mal Evans, British road manager of The Beatles (d. 1976)
- 1935 – Jerry Kindall, American baseball player and coach (d. 2017)
- 1935 – Ramsey Lewis, American jazz pianist and composer
- 1935 – Lee Meriwether, American model and actress, Miss America 1955
- 1936 – Benjamin Bathurst, English admiral
- 1936 – Louis Gossett, Jr., American actor and producer
- 1936 – Marcel Masse, Canadian educator and politician, 29th Canadian Minister of National Defence (d. 2014)
- 1937 – Allan Carr, American playwright and producer (d. 1999)
- 1939 – Simon Cairns, 6th Earl Cairns, English courtier and businessman
- 1939 – Yves Duhaime, Canadian captain and politician
- 1939 – Sokratis Kokkalis, Greek businessman
- 1939 – Gerald Ronson, English businessman and philanthropist
- 1939 – Lionel Sosa, Mexican-American advertising and marketing executive
- 1939 – Don Williams, American singer-songwriter and guitarist (d. 2017)
- 1940 – Mike Gibson, Australian journalist and sportscaster (d. 2015)
- 1942 – Lee Baca, American police officer
- 1942 – Piers Courage, English racing driver (d. 1970)
- 1942 – Roger Freeman, Baron Freeman, English accountant and politician, Chancellor of the Duchy of Lancaster
- 1942 – Robin Widdows, English racing driver
- 1943 – Cilla Black, English singer and actress (d. 2015)
- 1943 – Bruce Weitz, American actor
- 1944 – Chris Dodd, American lawyer and politician
- 1944 – Ingrid Roscoe, English historian and politician, Lord Lieutenant of West Yorkshire
- 1944 – Alain Souchon, French singer-songwriter, guitarist, and actor
- 1945 – Bruce Cockburn, Canadian singer-songwriter and guitarist
- 1946 – Niels-Henning Ørsted Pedersen, Danish bassist and composer (d. 2005)
- 1946 – John Williams, English motorcycle racer (d. 1978)
- 1947 – Peter DeFazio, American politician
- 1947 – Marty Kristian, German-Australian singer-songwriter, guitarist, and actor
- 1947 – Branko Oblak, Slovenian footballer and coach
- 1947 – Riivo Sinijärv, Estonian politician, 19th Estonian Minister of Foreign Affairs
- 1948 – Wubbo de Boer, Dutch civil servant (d. 2017)
- 1948 – Pete Sears, English bass player
- 1948 – Morning Glory Zell-Ravenheart, American occultist and author (d. 2014)
- 1949 – Hugh Lowther, 8th Earl of Lonsdale, English politician
- 1949 – Christa Vahlensieck, German runner
- 1950 – Dee Dee Bridgewater, American singer-songwriter and actress
- 1950 – Makis Dendrinos, Greek basketball player and coach (d. 2015)
- 1951 – John Conteh, English boxer
- 1954 – Pauline Hanson, Australian businesswoman, activist, and politician
- 1954 – Jackie Slater, American football player and coach
- 1955 – Eric Bischoff, American wrestler, manager, and producer
- 1955 – Richard Schiff, American actor, director, and producer
- 1955 – Ian Tracey, English organist and conductor
- 1956 – Cynthia McFadden, American journalist
- 1956 – Rosemary Squire, English producer and manager, co-founded Ambassador Theatre Group
- 1956 – Giuseppe Tornatore, Italian director and screenwriter
- 1957 – Dag Terje Andersen, Norwegian politician, Norwegian Minister of Labour
- 1957 – Nitin Gadkari, Indian lawyer and politician, Indian Minister of Transport
- 1957 – Eddie Harsch, Canadian-American keyboard player and bass player (d. 2016)
- 1957 – Siouxsie Sioux, English singer-songwriter, musician, and producer
- 1958 – Nick Anstee, English accountant and politician, 682nd Lord Mayor of London
- 1958 – Neil Finn, New Zealand singer-songwriter and musician
- 1958 – Jesse Robredo, Filipino politician, 23rd Filipino Secretary of the Interior (d. 2012)
- 1960 – Gaston Therrien, Canadian ice hockey player and sportscaster
- 1961 – José Luíz Barbosa, Brazilian runner and coach
- 1961 – Peri Gilpin, American actress
- 1962 – Marcelino Bernal, Mexican footballer
- 1962 – Ray Borner, Australian basketball player
- 1962 – Steven Brill, American actor, director, producer, and screenwriter
- 1962 – Anthony A. Hyman, Israeli-English biologist and academic
- 1962 – David Mundell, Scottish lawyer and politician, Secretary of State for Scotland
- 1962 – Ravi Shastri, Indian cricketer and sportscaster
- 1963 – Gonzalo Rubalcaba, Cuban pianist and composer
- 1963 – Maria Walliser, Swiss skier
- 1964 – Adam Carolla, American actor, producer, and screenwriter
- 1965 – Pat Cash, Australian-English tennis player and sportscaster
- 1966 – Heston Blumenthal, English chef and author
- 1967 – Paul Gascoigne, English international footballer, midfielder, coach, and manager
- 1967 – Eddie McClintock, American actor
- 1968 – Jeff Bagwell, American baseball player and coach
- 1968 – Rebekah Brooks, English journalist
- 1968 – Harun Erdenay, Turkish basketball player and coach
- 1968 – Frank Thomas, American baseball player and sportscaster
- 1969 – Todd Hundley, American baseball player
- 1969 – Jeremy Mayfield, American race car driver
- 1969 – Craig Federighi, American computer scientist and engineer
- 1970 – Michele Bartoli, Italian cyclist
- 1970 – Tim Farron, English educator and politician
- 1970 – Joseph Fiennes, English actor
- 1970 – Alex Archer, American-born Australian musician
- 1971 – Mathew Batsiua, Nauruan politician
- 1971 – Paul Bettany, English actor
- 1971 – Wayne Carey, Australian footballer and coach
- 1971 – Kaur Kender, Estonian author
- 1971 – Lisa Lopes, American rapper and dancer (d. 2002)
- 1971 – Lee Sharpe, English footballer
- 1971 – Grant Stafford, South African tennis player
- 1971 – Sophie Walker, British politician, leader of the Women’s Equality Party
- 1971 – Petroc Trelawny, British radio and television broadcaster
- 1972 – Todd Demsey, American golfer
- 1972 – Antonio Freeman, American football player
- 1972 – Maxim Sokolov, Russian ice hockey player
- 1973 – Jack McBrayer, American actor and comedian
- 1973 – Tana Umaga, New Zealand rugby player and coach
- 1973 – Yorgos Lanthimos, Greek film video, and theatre director, producer and screenwriter
- 1974 – Skye Edwards, British singer-songwriter
- 1974 – Denise van Outen, English actress, singer, and television host
- 1974 – Derek Webb, American singer-songwriter and guitarist
- 1974 – Danny Wuerffel, American football player
- 1975 – André 3000, American rapper
- 1975 – Michael Hussey, Australian cricketer
- 1975 – Jamie Oliver, English chef and author
- 1975 – Feryal Özel, Turkish astrophysicist, astronomer, and academic
- 1976 – Marcel Fässler, Swiss racing driver
- 1977 – Abderrahmane Hammad, Algerian high jumper
- 1977 – Mahela Jayawardene, Sri Lankan cricketer
- 1978 – Adin Brown, American soccer player
- 1979 – Michael Buonauro, American author and illustrator (d. 2004)
- 1979 – Mile Sterjovski, Australian footballer
- 1980 – Craig Buntin, Canadian figure skater
- 1981 – Alina Cojocaru, Romanian ballerina
- 1981 – Johan Elmander, Swedish footballer
- 1984 – Blake Ahearn, American basketball player
- 1984 – Miguel González, Mexican baseball pitcher
- 1985 – Chiang Chien-ming, Taiwanese baseball player
- 1985 – Roberto Soldado, Spanish footballer
- 1986 – Conor Cummins, Manx motorcycle racer
- 1986 – Bamba Fall, Senegalese basketball player
- 1986 – Lasse Schöne, Danish footballer
- 1987 – Gervinho, Ivorian footballer
- 1987 – Bella Heathcote, Australian actress
- 1987 – Eric Kolelas, French-English actor and director
- 1987 – Bora Paçun, Turkish basketball player
- 1987 – Matt Prior, Australian rugby league player
- 1987 – Martina Sablikova, Czech speed skater and cyclist
- 1988 – Vontae Davis, American football player
- 1988 – Irina Davydova, Russian hurdler
- 1988 – Garrett Richards, American baseball pitcher
- 1988 – Tyler Sash, American football player (d. 2015)
- 1989 – Igor Morozov, Estonian footballer
- 1990 – Yenew Alamirew, Ethiopian runner
- 1990 – Chris Colfer, American actor and singer
- 1990 – Marcus Kruger, Swedish ice hockey player
- 1991 – Sebastien Dewaest, Belgian footballer
- 1991 – Tim Lafai, Samoan rugby league player
- 1991 – Ksenia Pervak, Russian tennis player
- 1991 – Eneli Vals, Estonian footballer
- 1992 – Aaron Brown, Canadian sprinter
- 1992 – Laurence Vincent-Lapointe, Canadian canoer
Deaths on May 27
- 366 – Procopius, Roman usurper (b. 325)
- 398 – Murong Bao, emperor of the Xianbei state Later Yan (b. 355)
- 475 – Eutropius, bishop of Orange
- 866 – Ordoño I of Asturias (b. 831)
- 927 – Simeon I of Bulgaria first Bulgarian Emperor (b. 864)
- 1039 – Dirk III, Count of Holland (b. 981)
- 1045 – Bruno of Würzburg, imperial chancellor of Italy (b. c. 1005)
- 1178 – Godfrey van Rhenen, bishop of Utrecht
- 1240 – William de Warenne, 5th Earl of Surrey (b. 1166)
- 1444 – John Beaufort, 1st Duke of Somerset, English commander (b. 1404)
- 1508 – Ludovico Sforza, Duke of Milan (b. 1452)
- 1508 – Lucrezia Crivelli, mistress of Ludovico Sforza (b. 1452)
- 1525 – Thomas Müntzer, German mystic and theologian (b. 1488)
- 1541 – Margaret Pole, Countess of Salisbury (b. 1473)
- 1564 – John Calvin, French pastor and theologian (b. 1509)
- 1610 – François Ravaillac, French assassin of Henry IV of France (b. 1578)
- 1624 – Diego Ramírez de Arellano, Spanish sailor and cosmographer (b. c. 1580)
- 1637 – John Boteler, 1st Baron Boteler of Brantfield, English politician (b. c. 1566)
- 1661 – Archibald Campbell, 1st Marquess of Argyll, Scottish general and politician (b. 1607)
- 1675 – Gaspard Dughet, Italian-French painter (b. 1613)
- 1690 – Giovanni Legrenzi, Italian organist and composer (b. 1626)
- 1702 – Dominique Bouhours, French priest and critic (b. 1628)
- 1707 – Françoise-Athénaïs, marquise de Montespan, French mistress of Louis XIV of France (b. 1640)
- 1781 – Giovanni Battista Beccaria, Italian physicist and academic (b. 1716)
- 1797 – François-Noël Babeuf, French journalist (b. 1760)
- 1831 – Jedediah Smith, American hunter, explorer, and author (b. 1799)
- 1840 – Niccolò Paganini, Italian violinist and composer (b. 1782)
- 1867 – Thomas Bulfinch American mythologist (b. 1796)
- 1896 – Aleksandr Stoletov, Russian physicist, engineer, and academic (b. 1839)
- 1910 – Robert Koch, German physician and microbiologist, Nobel Prize laureate (b. 1843)
- 1918 – Ōzutsu Man’emon, Japanese sumo wrestler, the 18th Yokozuna (b. 1869)
- 1919 – Kandukuri Veeresalingam, Indian author and activist (b. 1848)
- 1933 – Achille Paroche, French target shooter (b. 1868)
- 1939 – Joseph Roth, Austrian-French journalist and author (b. 1894)
- 1941 – Ernst Lindemann, German captain (b. 1894)
- 1941 – Günther Lütjens, German admiral (b. 1889)
- 1942 – Muhammed Hamdi Yazır, Turkish theologian, logician, and translator (b. 1878)
- 1943 – Gordon Coates, New Zealand soldier and politician, 21st Prime Minister of New Zealand (b. 1878)
- 1945 – Enno Lolling, German physician (b. 1888)
- 1947 – Ed Konetchy, American baseball player and manager (b. 1885)
- 1949 – Robert Ripley, American cartoonist, publisher, and businessman, founded Ripley’s Believe It or Not! (b. 1890)
- 1953 – Jesse Burkett, American baseball player and manager (b. 1868)
- 1960 – James Montgomery Flagg, American painter and illustrator (b. 1877)
- 1963 – Grigoris Lambrakis, Greek physician and politician (b. 1912)
- 1964 – Jawaharlal Nehru, Indian lawyer and politician, 1st Prime Minister of India (b. 1889)
- 1967 – W. Otto Miessner, American composer and educator (b. 1880)
- 1967 – Ernst Niekisch, German academic and politician (b. 1889)
- 1969 – Jeffrey Hunter, American actor and producer (b. 1926)
- 1971 – Béla Juhos, Hungarian-Austrian philosopher from the Vienna Circle (b. 1901)
- 1971 – Armando Picchi, Italian footballer and coach (b. 1935)
- 1980 – Gün Sazak, Turkish agronomist and politician (b. 1932)
- 1984 – Vasilije Mokranjac, Serbian composer (b. 1923)
- 1986 – Ismail al-Faruqi, Palestinian-American philosopher and academic (b. 1921)
- 1986 – Ajoy Mukherjee, Indian politician, Chief Minister of West Bengal (b. 1901)
- 1986 – Giorgos Tzifos, Greek actor and cinematographer (b. 1918)
- 1987 – John Howard Northrop, American biochemist and academic, Nobel Prize laureate (b. 1891)
- 1988 – Hjördis Petterson, Swedish actress (b. 1908)
- 1988 – Ernst Ruska, German physicist and academic, Nobel Prize laureate (b. 1906)
- 1989 – Arseny Tarkovsky, Russian poet and translator (b. 1907)
- 1990 – Robert B. Meyner, American lawyer and politician, 44th Governor of New Jersey (b. 1908)
- 1991 – Leopold Nowak, Austrian musicologist and theorist (b. 1904)
- 1992 – Uncle Charlie Osborne, American fiddler (b. 1890)
- 1998 – Minoo Masani, Indian lawyer and politician (b. 1905)
- 2000 – Kazimierz Leski, Polish engineer and pilot (b. 1912)
- 2000 – Murray MacLehose, Baron MacLehose of Beoch, Scottish politician and diplomat, 25th Governor of Hong Kong (b. 1917)
- 2000 – Maurice Richard, Canadian ice hockey player and coach (b. 1921)
- 2003 – Luciano Berio, Italian composer and educator (b. 1925)
- 2006 – Rob Borsellino, American journalist (b. 1949)
- 2006 – Paul Gleason, American actor (b. 1939)
- 2006 – Craig Heyward, American football player (b. 1966)
- 2007 – Izumi Sakai, Japanese singer-songwriter (b. 1967)
- 2007 – Gretchen Wyler, American actress and dancer (b. 1932)
- 2007 – Ed Yost, American inventor, created the hot air balloon (b. 1919)
- 2008 – Franz Künstler, Hungarian soldier (b. 1900)
- 2009 – Thomas M. Franck, American lawyer and academic (b. 1931)
- 2009 – Clive Granger, Welsh-American economist and academic, Nobel Prize laureate (b. 1934)
- 2009 – Mona Grey, British nursing administrator; Northern Ireland’s first Chief Nursing Officer
- 2009 – Abram Hoffer, Canadian biochemist, physician, and psychiatrist (b. 1917)
- 2009 – Gérard Jean-Juste, Haitian-American priest and theologian (b. 1946)
- 2009 – Carol Anne O’Marie, American nun and author (b. 1933)
- 2009 – William Refshauge, Australian soldier and physician (b. 1913)
- 2009 – Paul Sharratt, English-American television host (b. 1933)
- 2010 – Payut Ngaokrachang, Thai animator and director (b. 1929)
- 2011 – Jeff Conaway, American actor and singer (b. 1950)
- 2011 – Margo Dydek, Polish-American basketball player (b. 1974)
- 2011 – Gil Scott-Heron, American singer-songwriter and poet (b. 1949)
- 2012 – Simeon Daniel, Nevisian educator and politician, 1st Premier of Nevis (b. 1934)
- 2012 – Friedrich Hirzebruch, German mathematician and academic (b. 1927)
- 2012 – Anahit Perikhanian, Russian-born Armenian Iranologist (b. 1928)
- 2012 – David Rimoin, Canadian-American geneticist and academic (b. 1936)
- 2013 – Jagjit Singh Lyallpuri, Indian politician (b. 1917)
- 2013 – Bill Pertwee, English actor (b. 1926)
- 2013 – Abdoulaye Sékou Sow, Malian politician, Prime Minister of Mali (b. 1931)
- 2014 – Robert Genn, Canadian painter and author (b. 1936)
- 2014 – Helma Sanders-Brahms, German director, producer, and screenwriter (b. 1940)
- 2014 – Roberto Vargas, Puerto Rican-American baseball player, coach, and manager (b. 1929)
- 2014 – Massimo Vignelli, Italian-American graphic designer (b. 1931)
- 2015 – Erik Carlsson, Swedish rally driver (b. 1929)
- 2015 – Nils Christie, Norwegian sociologist, criminologist, and author (b. 1928)
- 2015 – Andy King, English footballer and manager (b. 1956)
- 2015 – Michael Martin, American philosopher and academic (b. 1932)
- 2017 – Gregg Allman, American musician, singer and songwriter (b. 1947)
- 2020 – Larry Kramer, American playwright, public health advocate and LGBT rights activist (b. 1935)
Holidays and observances on May 27
- Armed Forces Day (Nicaragua)
- Children’s Day (Nigeria)
- Christian feast day:
- Augustine of Canterbury
- Blessed Lojze Grozde
- Bede (commemoration, Anglican Communion)
- Bruno of Würzburg
- Eutropius of Orange
- Hildebert
- Julius the Veteran
- May 27 (Eastern Orthodox liturgics)
- Mother’s Day (Bolivia)
- Navy Day (Japan)
- Slavery Abolition Day (Guadeloupe, Saint Barthélemy, Saint Martin)
- Start of National Reconciliation Week (Australia)