The Parliament of Malta moved from the Grandmaster's Palace to the purpose-built Parliament House (pictured).
Ken Livingstone took office as the first mayor of London.
Falklands War: HMS Sheffield was struck by an Exocet missile, killing 20 sailors and leading to its sinking six days later—the first Royal Navy ship sunk in action since World War II.
Margaret Thatcher became the first female prime minister of the United Kingdom.
An all-female Japanese team reached the summit of Manaslu in the Himalayas, becoming the first women to climb a peak higher than 8,000 metres (26,247 ft) above sea level.
World War II: Aircraft from Imperial Japanese Navy vessels attacked Allied naval forces, beginning the Battle of the Coral Sea, the first naval action in which the participating ships never sighted or fired directly at each other.
During a labor rally in Chicago, a bomb explosion and gunfire led to the deaths of eight police officers and four members of the public.
The Boydell Shakespeare Gallery, part of a cultural project initiated by engraver John Boydell, opened in London.
American Revolution: The Colony of Rhode Island and Providence Plantations became the first of the Thirteen Colonies to renounce its allegiance to the British Crown.
Trunajaya rebellion: Dutch East India Company forces under Cornelis Speelman began an attack on Surabaya, on the island of Java.
Pope Alexander VI (pictured) issued the papal bull Inter caetera, establishing a line of demarcation dividing the New World between Spain and Portugal.
Nine people are killed and thirteen injured in a spree shooting in Mladenovac and Smederevo, Serbia. It is the second mass shooting in the country in two days.
The inaugural all-female motorsport series, W Series, takes place at Hockenheimring. The race was won by Jamie Chadwick, who would go on to become the inaugural season's champion.
Three people are killed and 62 injured in a pair of bombings on buses in Nairobi, Kenya.
Greensburg, Kansas is almost completely destroyed by the 2007 Greensburg tornado, a 1.7-mile wide EF5 tornado. It was the first-ever tornado to be rated as such with the new Enhanced Fujita scale.
One hundred three people are killed and 51 are injured in a plane crash near Mallam Aminu Kano International Airport in Kano, Nigeria.
Ken Livingstone becomes the first Mayor of London (an office separate from that of the Lord Mayor of London).
A federal judge in Sacramento, California, gives "Unabomber" Theodore Kaczynski four life sentences plus 30 years after Kaczynski accepts a plea agreement sparing him from the death penalty.
Israeli Prime Minister Yitzhak Rabin and PLO leader Yasser Arafat sign a peace accord, granting self-rule in the Gaza Strip and Jericho.
Latvia declares independence from the Soviet Union.
Iran–Contra affair: Former White House aide Oliver North is convicted of three crimes and acquitted of nine other charges; the convictions are later overturned on appeal.
Space Shuttle Atlantis launches on mission STS-30 to deploy the Venus-bound Magellan space probe.
The PEPCON disaster rocks Henderson, Nevada, as tons of Space Shuttle fuel detonate during a fire.
Twenty sailors are killed when the British Type 42 destroyer HMS Sheffield is hit by an Argentinian Exocet missile during the Falklands War.
Margaret Thatcher becomes the first female Prime Minister of the United Kingdom.
The South African Defence Force attacks a SWAPO base at Cassinga in southern Angola, killing about 600 people.
The 108-story Sears Tower in Chicago is topped out at 1,451 feet (442 m) as the world's tallest building.
The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation".
Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67 km).
The 1st Annual Grammy Awards are held.
Ernest Hemingway wins the Pulitzer Prize for The Old Man and the Sea.
The entire Torino football team (except for two players who did not take the trip: Sauro Tomà, due to an injury and Renato Gandolfi, because of coach request) is killed in a plane crash.
In San Francisco Bay, U.S. Marines from the nearby Treasure Island Naval Base stop a two-day riot at Alcatraz Federal Penitentiary. Five people are killed in the riot.
World War II: Neuengamme concentration camp near Hamburg is liberated by the British Army.
World War II: The German surrender at Lüneburg Heath is signed, coming into effect the following day. It encompasses all Wehrmacht units in the Netherlands, Denmark and northwest Germany.
World War II: The Battle of the Coral Sea begins with an attack by aircraft from the United States aircraft carrier USS Yorktown on Japanese naval forces at Tulagi Island in the Solomon Islands. The Japanese forces had invaded Tulagi the day before.
Having been incarcerated at the Cook County Jail since his sentencing on October 24, 1931, mobster Al Capone is transferred to the federal penitentiary in Atlanta after the U.S. Supreme Court denies his appeal for conviction of tax evasion.
The Academy of Motion Picture Arts and Sciences is incorporated.
The United Kingdom general strike begins.
May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
Italy occupies the Ottoman island of Rhodes.
The Royal Canadian Navy is created.
The United States begins construction of the Panama Canal.
Haymarket affair: In Chicago, United States, a homemade bomb is thrown at police officers trying to break up a labor rally, killing one officer. Ensuing gunfire leads to the deaths of a further seven officers and four civilians.
The National Association, the first professional baseball league, opens its first season in Fort Wayne, Indiana.
The four-day Naval Battle of Hakodate begins. The newly formed Imperial Japanese Navy defeats the remnants of the Tokugawa shogunate navy in the Sea of Japan off the city of Hakodate, leading to the surrender of the Ezo Republic on May 17.
The Cornwall Railway opens across the Royal Albert Bridge linking Devon and Cornwall in England.
Formation of Ancient Order of Hibernians.
Emperor Napoleon arrives at Portoferraio on the island of Elba to begin his exile.
King Ferdinand VII abolishes the Spanish Constitution of 1812, returning Spain to absolutism.
Fourth Anglo-Mysore War: The Battle of Seringapatam: The siege of Seringapatam ends when the city is invaded and Tipu Sultan killed by the besieging British army, under the command of General George Harris.
Rhode Island becomes the first American colony to renounce allegiance to King George III.
The Imperial Theatrical School, the first ballet school in Russia, is founded.
Dutch explorer Peter Minuit arrives in New Netherland (present day Manhattan Island) aboard the See Meeuw.
In the papal bull Inter caetera, Pope Alexander VI divides the New World between Spain and Portugal along the Line of Demarcation.
Wars of the Roses: The Battle of Tewkesbury: Edward IV defeats a Lancastrian Army and kills Edward of Westminster, Prince of Wales.
Assassination of the Swedish rebel (later national hero) Engelbrekt Engelbrektsson (27 April O.S.).
Religious reformer John Wycliffe is condemned as a heretic at the Council of Constance.
The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae.
Alexander O'Connor, English musician
Abi Masatora, Japanese sumo wrestler
Joseph Tapine, New Zealand rugby league player
Victor Oladipo, American basketball player
Brianne Jenner, Canadian women's ice hockey player
Rory McIlroy, Northern Irish golfer
James van Riemsdyk, American ice hockey player
Radja Nainggolan, Belgian footballer
Cesc Fàbregas, Spanish footballer and manager
Jorge Lorenzo, Spanish motorcycle racer
Devan Dubnyk, Canadian ice hockey player
George Hill, American basketball player
Ravi Bopara, English cricketer
Fernandinho, Brazilian footballer
Jamie Adenuga, English MC and rapper
Brad Maddox, American wrestler and referee
Derek Roy, Canadian ice hockey player
Eric Djemba-Djemba, Cameroon footballer
Ruth Negga, Ethiopian-Irish actress
Dallon Weekes, American singer-songwriter and musician
Andrew Raycroft, Canadian ice hockey player
Lance Bass, American singer, dancer, and producer
Lesley Vainikolo, Tongan rugby player
Erin Andrews, American sportscaster and journalist
Igor Biscan, Croatian footballer and manager
James Harrison, American football player
Kimora Lee Simmons, American model
Tony McCoy, Northern Irish jockey and sportscaster
Guillermo Barros Schelotto, Argentinian footballer and coach
John Madden, Canadian ice hockey player and coach
Mike Dirnt, American bass player and songwriter
Chris Tomlin, American singer-songwriter
Will Arnett, Canadian actor and producer
Dawn Staley, American basketball player
Kate Garraway, English journalist
Ana Gasteyer, American actress and singer
Jay Aston, English singer-songwriter and dancer
Werner Faymann, Austrian politician, 28th Chancellor of Austria
Randy Travis, American singer-songwriter, guitarist, and actor
Keith Haring, American painter (died 1990)
Caroline Spelman, English politician, Secretary of State for Environment, Food and Rural Affairs
Kathy Kreiner, Canadian skier
Ken Oberkfell, American baseball player and coach
Ryan Cayabyab, Filipino pianist, composer, and conductor
Pia Zadora, American actress and singer
Belinda Green, Australian beauty queen and 1972 Miss World
Colin Bass, English bass player, songwriter, and producer
Colleen Hanabusa, American lawyer and politician
Jackie Jackson, American singer-songwriter and dancer
King George Tupou V of Tonga, (died 2012)
John Barnard, English car designer
Gary Bauer, American political activist
John Watson, British race car driver
Robert Machray, American actor (died 2025)
Russi Taylor, American voice actress (died 2019)
Georgi Asparuhov, Bulgarian footballer (died 1971)
George Will, American journalist and author
Robin Cook, American physician and author
Amos Oz, Israeli journalist and author (died 2018)
Carlos Monsiváis, Mexican journalist, author, and critic (died 2010)
Ron Carter, American bassist and educator
Dick Dale, American surf-rock guitarist, singer, and songwriter (died 2019)
Harlon Hill, American football player and coach (died 2013)
Katherine Jackson, matriarch of the Jackson family
Manuel Contreras, Chilean general (died 2015)
Audrey Hepburn, Belgian-British actress and humanitarian (died 1993)
Maynard Ferguson, Canadian trumpet player and bandleader (died 2006)
Hosni Mubarak, Egyptian air marshal and politician, 4th President of Egypt (died 2020)
Betsy Rawls, American golfer (died 2023)
Maurice R. Greenberg, American businessman and philanthropist
Eric Sykes, British actor and comedian (died 2012)
Eugenie Clark, American biologist and academic (died 2015)
Edo Murtić, Croatian painter, sculptor, and illustrator (died 2005)
Kakuei Tanaka, Japanese soldier and politician, 64th Prime Minister of Japan (died 1993)
Nick Joaquin, Filipino writer, journalist and historian (died 2004)
Jane Jacobs, American-Canadian journalist, author, and activist (died 2006)
Richard Proenneke, American soldier, carpenter, and meteorologist (died 2003)
Maedayama Eigorō, Japanese sumo wrestler, the 39th Yokozuna (died 1971)
Princess Katherine of Greece and Denmark (died 2007)
Lincoln Kirstein, American soldier and playwright, co-founded the New York City Ballet (died 1996)
Walter Walsh, American target shooter and FBI agent (died 2014)
Al Dexter, American country singer-songwriter and guitarist (died 1984)
Luther Adler, American actor (died 1984)
Ronnie Aird, English cricketer and administrator (died 1986)
Franklin Carmichael, Canadian painter (died 1945)
Francis Spellman, American cardinal (died 1967)
Andrew Dasburg, French-American painter (died 1979)
Richard Baggallay, English army officer and cricketer (died 1975)
Wang Jingwei, Chinese politician (died 1944)
Alice Liddell, English model (died 1934)
Thomas Dewing, American painter (died 1938)
Bianka Blume, German opera singer (died 1896)
John Hanning Speke, English soldier and explorer (died 1864)
Frederic Edwin Church, American painter (died 1900)
Thomas Henry Huxley, English biologist, anatomist, and academic (died 1895)
Augustus Le Plongeon, English-American historian, photographer, and academic (died 1908)
Charles Boucher de Boucherville, Canadian physician and politician, 3rd Premier of Quebec (died 1915)
Julia Gardiner Tyler, American wife of John Tyler, 11th First Lady of the United States (died 1889)
John Whiteaker, American soldier, judge, and politician, 1st Governor of Oregon (died 1902)
Horace Mann, American educator and politician (died 1859)
William Pennington, American lawyer and politician, 13th Governor of New Jersey, 23rd Speaker of the United States House of Representatives (died 1862)
William H. Prescott, American historian and scholar (died 1859)
Friedrich Arnold Brockhaus, German publisher (died 1823)
François Gérard, French painter (died 1837)
Tyagaraja, Indian composer (died 1847)
Manuel Tolsá, Spanish sculptor and first director of the Academy of San Carlos in Mexico City (died 1816)
John Brooks, American soldier and politician, 11th Governor of Massachusetts (died 1825)
Jean-Charles de Borda, French mathematician, physicist, and sailor (died 1799)
Richard Graves, English minister and author (died 1804)
Françoise-Marie de Bourbon, French noblewoman (died 1749)
Bartolomeo Cristofori, Italian instrument maker, invented the piano (died 1731)
Chhatrasal, Indian ruler (died 1731)
Katherine Ferrers, English aristocrat and heiress (died 1660)
Alice Spencer, English noblewoman (died 1637)
Khwaja Abdullah Ansari, Persian mystic and poet (died 1088)
Ron Kavana, Irish singer, songwriter, guitarist and band leader (born 1950)
Frank Stella, American painter (born 1936)
Nick Kamen, English model, songwriter (born 1962)
Don Shula, American football player and coach (born 1930)
Greg Zanis, American carpenter and activist (born 1950)
Jean-Baptiste Bagaza, Burundian politician (born 1946)
William Bast, American screenwriter and author (born 1931)
Ellen Albertini Dow, American actress (born 1913)
Marv Hubbard, American football player (born 1946)
Dick Ayers, American author and illustrator (born 1924)
Elena Baltacha, Ukrainian-Scottish tennis player (born 1983)
Edgar Cortright, American scientist and engineer (born 1923)
Helga Königsdorf, German physicist and author (born 1938)
Ross Lonsberry, Canadian-American ice hockey player (born 1947)
Jean-Paul Ngoupandé, Central African politician, Prime Minister of the Central African Republic (born 1948)
Otis Bowen, American physician and politician, 44th Governor of Indiana (born 1918)
Christian de Duve, English-Belgian cytologist and biochemist, Nobel Prize laureate (born 1917)
Javier Diez Canseco, Peruvian sociologist and politician (born 1948)
Mario Machado, Chinese-American journalist and actor (born 1935)
Morgan Morgan-Giles, English admiral and politician (born 1914)
César Portillo de la Luz, Cuban guitarist and composer (born 1922)
Mort Lindsey, American pianist, composer, and conductor (born 1923)
Bob Stewart, American television producer, founded Stewart Tele Enterprises (born 1920)
Adam Yauch, American rapper and director (born 1964)
Rashidi Yekini, Nigerian footballer (born 1963)
Sammy McCrory, Northern Irish footballer (born 1924)
Dom DeLuise, American actor, director, and producer (born 1933)
Fred Baur, American chemist and founder of Pringles (born 1918)
David Hackworth, American colonel and journalist (born 1930)
David Reimer, Canadian man, born male but reassigned female and raised as a girl after a botched circumcision (born 1965)
Bonnie Lee Bakley, American model, wife of Robert Blake (born 1956)
Hendrik Casimir, Dutch physicist and academic (born 1909)
Christine Kurzhals, German politician (born 1950)
Connie Wisniewski, American baseball player (born 1922)
France Štiglic, Slovenian film director and screenwriter (born 1919)
Gregor Mackenzie, Scottish politician (born 1927)
Mohammed Abdel Wahab, Egyptian singer-songwriter and mandolin player (born 1902)
Emily Remler, American guitarist (born 1957)
Lillian Estelle Fisher, American historian of Spanish America (born 1891)
Paul Butterfield, American singer and harmonica player (born 1942)
Cathryn Damon, American actress (born 1930)
Fikri Sönmez, Turkish tailor and politician (born 1938)
Clarence Wiseman, English-Canadian 10th General of The Salvation Army (born 1907)
Diana Dors, English actress (born 1931)
Nino Sanzogno, Italian conductor and composer (born 1911)
C. Loganathan, Sri Lankan banker (born 1913)
Josip Broz Tito, Yugoslav field marshal and politician, 1st President of Yugoslavia (born 1892)
Joe "Mr Piano" Henderson, Scottish pianist and composer (born 1920)
Frank Strahan, Australian public servant (born 1886)
Moe Howard, American actor, singer, and screenwriter (born 1897)
Jane Bowles, American author and playwright (born 1917)
Father Chrysanthus, Dutch arachnologist (born 1905)
Edward Calvin Kendall, American chemist and academic, Nobel Prize laureate (born 1886)
William Brown Meloney, writer and theatrical producer (born 1902)
Osbert Sitwell, English-Italian author and poet (born 1892)
Karl Robert Pusta, Estonian politician, 4th Estonian Minister of Foreign Affairs (born 1883)
George Enescu, Romanian pianist, composer, and conductor (born 1881)
Alexandre Pharamond, French rugby player (born 1876)
Fedor von Bock, German field marshal (born 1880)
Chris McKivat, Australian rugby player and coach (born 1880)
Kanō Jigorō, Japanese founder of judo (born 1860)
Carl von Ossietzky, German journalist and activist, Nobel Prize laureate (born 1889)
Gina Oselio, Norwegian opera singer (born 1858).
E. Nesbit, English author and poet (born 1858)
Ralph McKittrick, American golfer and tennis player (born 1877)
Viktor Kingissepp, Estonian politician (born 1888)
Milan Rastislav Štefánik, Slovak general and politician (born 1880)
Ned Daly, Irish rebel commander (Easter Rising) (born 1891)
John Murray, Australian politician, 23rd Premier of Victoria (born 1851)
Willie Pearse, Irish rebel (born 1881)
Joseph Plunkett, Irish rebel and writer (born 1887)
Nettie Stevens, American geneticist credited with discovering sex chromosomes (born 1861)
Gotse Delchev, Macedonian Bulgarian revolutionary IMRO (born 1872)
John Jones Ross, Canadian lawyer and politician, 7th Premier of Quebec (born 1831)
Edward Clark, American lawyer and politician, 8th Governor of Texas (born 1815)
Joseph Diaz Gergonne, French mathematician and philosopher (born 1771)
Denis Davydov, Russian general and poet (born 1784)
Sebastián Kindelán y O'Regan, colonial governor of East Florida, Santo Domingo and Cuba (born 1757)
Joseph Joubert, French author (born 1754)
Samuel Dexter, American lawyer and politician, 4th United States Secretary of War, 3rd United States Secretary of the Treasury (born 1761)
Nikolay Kamensky, Russian general (born 1776)
Tipu, ruler of Mysore (born 1750)
Matthew Tilghman, American politician (born 1718)
Jacques Saly, French painter and sculptor (born 1717)
Anthony Ulrich of Brunswick, Prussian nobleman (born 1714)
Eustace Budgell, English journalist and politician (born 1686)
James Thornhill, English painter and politician (born 1675)
Louis Antoine de Noailles, French cardinal (born 1651)
John Nevison, English criminal (born 1639)
Isaac Barrow, English mathematician and theologian (born 1630)
Arthur Lake, English bishop and scholar (born 1569)
Adriaan van Roomen, Flemish priest and mathematician (born 1561)
Ulisse Aldrovandi, Italian naturalist (born 1522)
Claudio Merulo, Italian organist and composer (born 1533)
Pierre Viret, Swiss theologian and reformer (born 1511)
Luca Ghini, Italian physician and botanist (born 1490)
Lelio Sozzini, Italian Protestant theologian (born 1525)
John Houghton, Carthusian monk and saint
Lorenzo de' Medici, duke of Urbino (born 1492)
Husayn Mirza Bayqara, Timurid ruler of Herat (born 1438)
George Neville, Duke of Bedford (born 1457)
Edward of Westminster, Prince of Wales, son and heir of Henry VI of England (born 1453)
Engelbrekt Engelbrektsson, Swedish rebel leader (27 April O.S.).
Coluccio Salutati, chancellor of Florence (born 1331)
Gotthard of Hildesheim, German bishop (born 960)
Herman II, duke of Swabia
Arbeo, bishop of Freising
Venerius, archbishop of Milan
Anti-Bullying Day (United Nations)
Bird Day (United States)
Cassinga Day (Namibia)
Christian feast day: Blessed Ceferino Giménez Malla
Christian feast day: Blessed Michał Giedroyć
Christian feast day: English Saints and Martyrs of the Reformation Era (Church of England)
Christian feast day: F. C. D. Wyneken (Lutheran Church–Missouri Synod)
Christian feast day: Florian
Christian feast day: José María Rubio
Christian feast day: Judas Cyriacus
Christian feast day: Monica of Hippo (1960 Roman Catholic Calendar)
Christian feast day: Sacerdos of Limoges
Christian feast day: Venerius of Milan
Christian feast day: May 4 (Eastern Orthodox liturgics)
Coal Miners Day (India)
Death of Milan Rastislav Štefánik Day (Slovakia)
Greenery Day (Japan)
International Firefighters' Day
May Fourth Movement commemorations: Literary Day (Republic of China)
May Fourth Movement commemorations: Youth Day (China)
Remembrance Day for Martyrs and Disabled (Afghanistan)
Remembrance of the Dead (Netherlands)
Restoration of Independence Day (Latvia)
Star Wars Day (International observance)
World Give Day
Youth Day (Fiji)