On This Day — 21 May
2000s
2024
The Greenfield tornado kills 5 and injures 35 across rural Iowa, United States. Wind speeds in excess of 480 kilometres per hour (300 mph) are estimated from measurements for the third time in history.
Greenfield tornado
2024
A stabbing spree on the Green line of the Taichung MRT injures four people, including the perpetrator.
2024 Taichung MRT attack
2017
Ringling Bros. and Barnum & Bailey Circus performed their final show at Nassau Veterans Memorial Coliseum.
Ringling Bros. and Barnum & Bailey Circus
2014
Random killings occurred on the Bannan Line of the Taipei MRT, killing four and injuring 24.
2014 Taipei Metro attack
2012
A bus accident near Himara, Albania kills 13 people and injures 21 others.
Qafa e Vishës bus accident
2012
A suicide bombing kills more than 120 people in Sanaa, Yemen.
2012 Unity Day parade rehearsal bombing
2011
Radio broadcaster Harold Camping predicted that the world would end on this date.
Harold Camping
2010
JAXA, the Japan Aerospace Exploration Agency, launches the solar-sail spacecraft IKAROS aboard an H-IIA rocket. The vessel would make a Venus flyby late in the year.
JAXA
2006
The Republic of Montenegro holds a referendum proposing independence from the State Union of Serbia and Montenegro; 55% of Montenegrins vote for independence.
Republic of Montenegro (1992–2006)
2005
The tallest roller coaster in the world, Kingda Ka opens at Six Flags Great Adventure in Jackson Township, New Jersey.
Roller coaster
2003
The 6.8 Mw Boumerdès earthquake shakes northern Algeria with a maximum Mercalli intensity of X (Extreme). More than 2,200 people were killed and a moderate tsunami sank boats at the Balearic Islands.
2003 Boumerdès earthquake
2001
French Taubira law is enacted, officially recognizing the Atlantic slave trade and slavery as crimes against humanity.
Christiane Taubira
2000
Nineteen people are killed in a plane crash in Wilkes-Barre, Pennsylvania.
2000 Executive Airlines British Aerospace Jetstream crash
1900s
1998
In Miami, five abortion clinics are attacked by a butyric acid attacker.
Miami
1998
President Suharto of Indonesia resigns following the killing of students from Trisakti University earlier that week by security forces and growing mass protests in Jakarta against his ongoing corrupt rule.
Suharto
1996
The ferry MV Bukoba sinks in Tanzanian waters on Lake Victoria, killing nearly 1,000.
MV Bukoba
1996
The seven Trappist monks of Tibhirine that were abducted on March 27 are killed under uncertain circumstances.
Trappists
1994
The Democratic Republic of Yemen unsuccessfully attempts to secede from the Republic of Yemen; a war breaks out.
Democratic Republic of Yemen
1992
After 30 seasons Johnny Carson hosted his penultimate episode and last featuring guests (Robin Williams and Bette Midler) of The Tonight Show.
Johnny Carson
1991
Former Indian Prime Minister Rajiv Gandhi is assassinated by a female suicide bomber near Madras.
Prime Minister of India
1991
Mengistu Haile Mariam, president of the People's Democratic Republic of Ethiopia, flees Ethiopia, effectively bringing the Ethiopian Civil War to an end.
Mengistu Haile Mariam
1988
Margaret Thatcher holds her controversial Sermon on the Mound before the General Assembly of the Church of Scotland.
Margaret Thatcher
1982
Falklands War: A British amphibious assault during Operation Sutton leads to the Battle of San Carlos.
Falklands War
1981
The Italian government releases the membership list of Propaganda Due, an illegal pseudo-Masonic lodge that was implicated in numerous Italian crimes and mysteries.
Propaganda Due
1981
Transamerica Corporation agrees to sell United Artists to Metro-Goldwyn-Mayer for $380 million after the box office failure of the 1980 film Heaven's Gate.
Transamerica Corporation
1979
White Night riots in San Francisco following the manslaughter conviction of Dan White for the assassinations of George Moscone and Harvey Milk.
White Night riots
1976
Twenty-nine people are killed in the Yuba City bus disaster in Martinez, California.
Yuba City bus disaster
1972
Michelangelo's Pietà in St. Peter's Basilica in Rome is damaged by a vandal, the mentally disturbed Hungarian geologist Laszlo Toth.
Michelangelo
1969
Civil unrest in Rosario, Argentina, known as Rosariazo, following the death of a 15-year-old student.
Rosario
1966
The Ulster Volunteer Force declares war on the Irish Republican Army in Northern Ireland.
Ulster Volunteer Force
1961
American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
Civil rights movement
1951
The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition: A gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School.
9th Street Art Exhibition
1946
Physicist Louis Slotin is fatally irradiated in a criticality incident during an experiment with the demon core at Los Alamos National Laboratory.
Louis Slotin
1939
The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada.
National War Memorial (Canada)
1937
A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
Drifting ice station
1936
Sada Abe is arrested after wandering the streets of Tokyo for days with her dead lover's severed genitals in her handbag. Her story soon becomes one of Japan's most notorious scandals.
Sada Abe
1934
Oskaloosa, Iowa, becomes the first municipality in the United States to fingerprint all of its citizens.
Oskaloosa, Iowa
1932
Bad weather forces Amelia Earhart to land in a pasture in Derry, Northern Ireland, and she thereby becomes the first woman to fly solo across the Atlantic Ocean.
Amelia Earhart
1927
Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.
Charles Lindbergh
1925
The opera Doktor Faust, unfinished when composer Ferruccio Busoni died, is premiered in Dresden.
Doktor Faust
1924
University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
University of Chicago
1917
The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
Commonwealth War Graves Commission
1917
The Great Atlanta fire of 1917 causes $5.5 million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack).
Great Atlanta fire of 1917
1911
President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
President of Mexico
1904
The Fédération Internationale de Football Association (FIFA) is founded in Paris.
FIFA
1800s
1894
The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.
Manchester Ship Canal
1881
The American Red Cross is established by Clara Barton in Dansville, New York.
American Red Cross
1879
War of the Pacific: Two Chilean ships blocking the harbor of Iquique (then belonging to Peru) battle two Peruvian vessels in the Battle of Iquique.
War of the Pacific
1871
French troops invade the Paris Commune and engage its residents in street fighting. By the close of "Bloody Week", some 20,000 communards have been killed and 38,000 arrested.
Paris Commune
1871
Opening of the first rack railway in Europe, the Rigi Bahnen on Mount Rigi.
Rack railway
1864
Russia declares an end to the Russo-Circassian War and many Circassians are forced into exile. The day is designated the Circassian Day of Mourning.
Russo-Circassian War
1864
American Civil War: The Battle of Spotsylvania Court House ends.
Battle of Spotsylvania Court House
1864
The Ionian Islands reunite with Greece.
Ionian Islands
1863
American Civil War: The Union Army succeeds in closing off the last escape route from Port Hudson, Louisiana, in preparation for the coming siege.
American Civil War
1856
Lawrence, Kansas is captured and burned by pro-slavery forces.
Lawrence, Kansas
1851
Slavery in Colombia is abolished.
Slavery in Colombia
1809
The first day of the Battle of Aspern-Essling between the Austrian army led by Archduke Charles and the French army led by Napoleon I of France sees the French attack across the Danube held.
Battle of Aspern–Essling
Before 1800
1799
The end of the Siege of Acre (1799): Napoleon Bonaparte abandons his siege of the Ottoman city of Acre after two months. This was the turning point of Bonaparte's Egyptian campaign and one of the first major defeats he suffered in his military career.
Siege of Acre (1799)
1792
A lava dome collapses on Mount Unzen, near the city of Shimbara on the Japanese island of Kyūshū, creating a deadly tsunami that killed nearly 15,000 people.
Lava dome
1758
Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
Mary Campbell (colonial settler)
1725
The Order of St. Alexander Nevsky is instituted in Russia by Empress Catherine I. It would later be discontinued and then reinstated by the Soviet government in 1942 as the Order of Alexander Nevsky.
Order of Saint Alexander Nevsky
1703
Daniel Defoe is imprisoned on charges of seditious libel.
Daniel Defoe
1674
The nobility elect John Sobieski King of Poland and Grand Duke of Lithuania.
Szlachta
1660
The Battle of Long Sault concludes after five days in which French colonial militia, with their Huron and Algonquin allies, are defeated by the Iroquois Confederacy.
Battle of Long Sault
1659
In the Concert of The Hague, the Dutch Republic, the Commonwealth of England and the Kingdom of France set out their views on how the Second Northern War should end.
Concert of The Hague (1659)
1554
Queen Mary I grants a royal charter to Derby School, as a grammar school for boys in Derby, England.
Mary I
1424
Coronation of James I of Scotland at Scone.
James I of Scotland
1403
Henry III of Castile sends Ruy González de Clavijo as ambassador to Timur to discuss the possibility of an alliance between Timur and Castile against the Ottoman Empire.
Henry III of Castile
1349
Dušan's Code, the constitution of the Serbian Empire, is enacted by Dušan the Mighty.
Dušan's Code
1347
Coronation of John VI Kantakouzenos as Byzantine Emperor by patriarch Isidore I of Constantinople at the Church of St. Mary of Blachernae.
John VI Kantakouzenos
1294
Coronation of Michael IX Palaiologos as Byzantine Emperor.
Michael IX Palaiologos
996
Sixteen-year-old Otto III is crowned Holy Roman Emperor.
Otto III, Holy Roman Emperor
879
Pope John VIII gives blessings to Branimir of Croatia and to the Croatian people, considered to be international recognition of the Croatian state.
Pope John VIII
878
Syracuse, Sicily, is captured by the Muslim Aghlabids after a nine-month siege.
Syracuse, Sicily
293
Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy.
Diocletian