495 BC – A newly constructed temple in honour of the god Mercury was dedicated in ancient Rome on the Circus Maximus, between the Aventine and Palatine hills. To spite the senate and the consuls, the people awarded the dedication to a senior military officer, Marcus Laetorius.
221 – Liu Bei, Chinese warlord, proclaims himself emperor of Shu Han, the successor of the Han dynasty.
392 – Emperor Valentinian II is assassinated while advancing into Gaul against the Frankish usurper Arbogast. He is found hanging in his residence at Vienne.
589 – King Authari marries Theodelinda, daughter of the Bavarian duke Garibald I. A Catholic, she has great influence among the Lombard nobility.
908 – The three-year-old Constantine VII, the son of Emperor Leo VI the Wise, is crowned as co-emperor of the Byzantine Empire by Patriarch Euthymius I at Constantinople.
1252 – Pope Innocent IV issues the papal bullad extirpanda, which authorizes, but also limits, the torture of heretics in the Medieval Inquisition.
1525 – Insurgent peasants led by Anabaptist pastor Thomas Müntzer were defeated at the Battle of Frankenhausen, ending the German Peasants' War in the Holy Roman Empire.
1536 – Anne Boleyn, Queen of England, stands trial in London on charges of treason, adultery and incest; she is condemned to death by a specially-selected jury.
1567 – Mary, Queen of Scots marries James Hepburn, 4th Earl of Bothwell, her third husband.
1618 – Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
1648 – The Peace of Münster is ratified, by which Spain acknowledges Dutch sovereignty.
1718 – James Puckle, a London lawyer, patents the world's first machine gun.
1776 – American Revolution: The Fifth Virginia Convention instructs its Continental Congress delegation to propose a resolution of independence from Great Britain, paving the way for the United States Declaration of Independence.
1791 – French Revolution: Maximilien Robespierre proposes the Self-denying Ordinance.
1792 – War of the First Coalition: France declares war on Kingdom of Sardinia.
1793 – Diego Marín Aguilera flies a glider for "about 360 meters", at a height of 5–6 meters, during one of the first attempted manned flights.
1796 – War of the First Coalition: Napoleon enters Milan in triumph.
1800 – King George III of the United Kingdom survives an assassination attempt by James Hadfield, who is later acquitted by reason of insanity.
1817 – Opening of the first private mental health hospital in the United States, the Asylum for the Relief of Persons Deprived of the Use of Their Reason (now Friends Hospital, Philadelphia, Pennsylvania).
1836 – Francis Baily observes "Baily's beads" during an annular eclipse.
1849 – The Sicilian revolution of 1848 is finally extinguished.
1850 – The Bloody Island massacre takes place in Lake County, California, in which a large number of Pomo Indians are slaughtered by a regiment of the United States Cavalry.
1850 – The Arana–Southern Treaty is ratified, ending "the existing differences" between Great Britain and Argentina.
1851 – The first Australian gold rush is proclaimed, although the discovery had been made three months earlier.
1862 – PresidentAbraham Lincoln signs a bill into law creating the United States Bureau of Agriculture. It is later renamed the United States Department of Agriculture.
1864 – American Civil War: Battle of New Market, Virginia: Students from the Virginia Military Institute fight alongside the Confederate army to force Union General Franz Sigel out of the Shenandoah Valley.
1867 – Canadian Bank of Commerce opens for business in Toronto, Ontario. The bank would later merge with Imperial Bank of Canada to become what is CIBC in 1961.
1869 – Women's suffrage: In New York, Susan B. Anthony and Elizabeth Cady Stanton form the National Woman Suffrage Association.
1891 – Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
1904 – Russo-Japanese War: The Russian minelayerAmur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
1905 – Las Vegas is founded when 110 acres (0.45 km2), in what later would become downtown, are auctioned off.
1911 – In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
1911 – More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
1914 – During a poker game at the Gaiety Theatre in Galesburg, Illinois, comedian Art Fisher nicknames Chicko, Harpo, Groucho, and Gummo Marx.[1]
1919 – The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job.
1919 – Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
1925 – Al-Insaniyyah, the first Arabic communist newspaper, is founded.
1928 – Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".
1929 – A fire at the Cleveland Clinic in Cleveland, Ohio kills 123.
1932 – In an attempted coup d'état, the Prime Minister of JapanInukai Tsuyoshi is assassinated.
1933 – All military aviation organizations within or under the control of the RLM of Germany were officially merged in a covert manner to form its Wehrmacht military's air arm, the Luftwaffe.
1934 – Kārlis Ulmanis establishes an authoritarian government in Latvia.
1940 – USS Sailfish is recommissioned. It was originally the USS Squalus.
1940 – World War II: After fierce fighting, the poorly trained and equipped Dutch troops surrender to Germany, marking the beginning of five years of occupation.
1940 – Richard and Maurice McDonald open the first McDonald's restaurant.
1941 – First flight of the Gloster E.28/39 the first British and Allied jet aircraft.
1941 – Joe DiMaggio begins a 56-game hitting streak.
1942 – World War II: In the United States, a bill creating the Women's Army Auxiliary Corps (WAAC) is signed into law.
1943 – Joseph Stalin dissolves the Comintern (or Third International).
1945 – World War II: The Battle of Poljana, the final skirmish in Europe is fought near Prevalje, Slovenia.
1948 – Following the expiration of The British Mandate for Palestine, the Kingdom of Egypt, Transjordan, Lebanon, Syria, Iraq and Saudi Arabia invade Israel thus starting the 1948 Arab–Israeli War.
1957 – At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple.
1963 – Project Mercury: The launch of the final Mercury mission, Mercury-Atlas 9 with astronaut Gordon Cooper on board. He becomes the first American to spend more than a day in space, and the last American to go into space alone.
1966 – After a policy dispute, Prime Minister Nguyễn Cao Kỳ of South Vietnam's ruling junta launches a military attack on the forces of General Tôn Thất Đính, forcing him to abandon his command.
1969 – People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
1970 – President Richard Nixon appoints Anna Mae Hays and Elizabeth P. Hoisington the first female United States Army generals.
1970 – Philip Lafayette Gibbs and James Earl Green are killed at Jackson State University by police during student protests.
1972 – The Ryukyu Islands, under U.S. military governance since its conquest in 1945, reverts to Japanese control.
1972 – In Laurel, Maryland, Arthur Bremer shoots and paralyzes Alabama GovernorGeorge Wallace while he is campaigning to become president.
1974 – Ma'alot massacre: Members of the Democratic Front for the Liberation of Palestine attack and take hostages at an Israeli school; a total of 31 people are killed, including 22 schoolchildren.
1976 – Aeroflot Flight 1802 crashes in Viktorovka, Chernihiv Raion, killing all 52 people on board.[2]
1987 – The Soviet Union launches the Polyus prototype orbital weapons platform. It fails to reach orbit.
1988 – Soviet–Afghan War: After more than eight years of fighting, the Soviet Army begins to withdraw 115,000 troops from Afghanistan.
1991 – Édith Cresson becomes France's first female Prime Minister.
1997 – The United States government acknowledges the existence of the "Secret War" in Laos and dedicates the Laos Memorial in honor of Hmong and other "Secret War" veterans.
1997 – The Space Shuttle Atlantis launches on STS-84 to dock with the Russian space station Mir.[3]
2004 – Arsenal F.C. go an entire league campaign unbeaten in the English Premier League, joining Preston North End F.C with the right to claim the title "The Invincibles".
2008 – California becomes the second U.S. state after Massachusetts in 2004 to legalize same-sex marriage after the state's own Supreme Court rules a previous ban unconstitutional.
2010 – Jessica Watson becomes the youngest person to sail, non-stop and unassisted around the world solo.
2013 – An upsurge in violence in Iraq leaves more than 389 people dead over three days.
Births[]
1397 – Sejong the Great, Korean king of Joseon (d. 1450)[4]
1531 – Maria of Austria, Duchess of Jülich-Cleves-Berg (d. 1581)[citation needed]
1565 – Hendrick de Keyser, Dutch sculptor and architect (d. 1621)[5]
1567 – Claudio Monteverdi, Italian priest and composer (d. 1643)[6]
1608 – René Goupil, French-American missionary and saint (d. 1642)
1633 – Sébastien Le Prestre de Vauban, French noble (d. 1707)
1645 – George Jeffreys, 1st Baron Jeffreys, British judge (d. 1689)
1689 – Lady Mary Wortley Montagu, English writer (d. 1762)[8]
1720 – Maximilian Hell, Hungarian priest and astronomer (d. 1792)
1749 – Levi Lincoln Sr., American lawyer and politician, 4th United States Attorney General (d. 1820)
1759 – Maria Theresia von Paradis, Austrian pianist and composer (d. 1824)
1770 – Ezekiel Hart, Canadian businessman and politician (d. 1843)
1773 – Klemens von Metternich, German-Austrian politician, 1st State Chancellor of the Austrian Empire (d. 1859)
1786 – Dimitris Plapoutas, Greek general and politician (d. 1864)
1803 – Juan Almonte, son of José María Morelos, was a Mexican soldier and diplomat who served as a regent in the Second Mexican Empire (1863-1864) (d. 1869)[9]
1805 – Samuel Carter, Early English railway solicitor and MP (d. 1878)
1808 – Michael William Balfe, Irish composer and conductor (d. 1870)
1817 – Debendranath Tagore, Indian philosopher and author (d. 1905)
1841 – Clarence Dutton, American commander and geologist (d. 1912)
1845 – Élie Metchnikoff, Russian zoologist (d. 1916)
1848 – Viktor Vasnetsov, Russian painter and illustrator (d. 1926)
1854 – Ioannis Psycharis, Ukrainian-French philologist and author (d. 1929)
1856 – L. Frank Baum, American novelist (d. 1919)
1856 – Matthias Zurbriggen, Swiss mountaineer (d. 1917)
1857 – Williamina Fleming, Scottish-American astronomer and academic (d. 1911)
1859 – Pierre Curie, French physicist and academic, Nobel Prize laureate (d. 1906)
1862 – Arthur Schnitzler, Austrian author and playwright (d. 1931)
1863 – Frank Hornby, English businessman and politician, invented Meccano (d. 1936)
1869 – Paul Probst, Swiss target shooter (d. 1945)
1869 – John Storey, Australian politician, 20th Premier of New South Wales (d. 1921)
1882 – Walter White, Scottish international footballer (d. 1950)[10]
1890 – Katherine Anne Porter, American short story writer, novelist, and essayist (d. 1980)
1891 – Mikhail Bulgakov, Russian novelist and playwright (d. 1940)
1891 – Fritz Feigl, Austrian-Brazilian chemist and academic (d. 1971)
1892 – Charles E. Rosendahl, American admiral (d. 1977)
1892 – Jimmy Wilde, Welsh boxer (d. 1969)
1893 – José Nepomuceno, Filipino filmmaker, founder of Philippine cinema (d. 1959)
1894 – Feg Murray, American hurdler and cartoonist (d. 1973)
1895 – Prescott Bush, American captain, banker, and politician (d. 1972)
1895 – William D. Byron, American lieutenant and politician (d. 1941)
1898 – Arletty, French model, actress, and singer (d. 1992)
1899 – Jean Étienne Valluy, French general (d. 1970)
1900 – Ida Rhodes, American mathematician, pioneer in computer programming (d. 1986) [11]
1901 – Xavier Herbert, Australian author (d. 1984)
1901 – Luis Monti, Argentinian-Italian footballer and manager (d. 1983)
1902 – Richard J. Daley, American lawyer and politician, 48th Mayor of Chicago (d. 1976)
1902 – Sigizmund Levanevsky, Soviet aircraft pilot of Polish origin (d. 1937)
1903 – Maria Reiche, German mathematician and archaeologist (d. 1998)
1904 – Clifton Fadiman, American game show host and author (d. 1999)
Earliest date on which Armed Forces Day (United States) can fall, while May 21 is the latest; celebrated on the third Saturday of May.
Independence Day (Paraguay), celebrates the independence of Paraguay from Spain in 1811. Celebrations for the anniversary of the independence begin on Flag Day, May 14.
International Conscientious Objectors Day
International Day of Families (International)
La Corsa dei Ceri begins on the eve of the feast day of Saint Ubaldo. (Gubbio)