A helicopter crash in Iran leaves 8 people dead, including the country's president Ebrahim Raisi & foreign minister Hossein Amir-Abdollahian.
The wedding of Prince Harry and Meghan Markle is held at St George's Chapel, Windsor, with an estimated global audience of 1.9 billion.
EgyptAir Flight 804 crashes into the Mediterranean Sea while traveling from Paris to Cairo, killing all on board.
The Refugio oil spill deposited 142,800 U.S. gallons (3,400 barrels) of crude oil onto an area in California considered one of the most biologically diverse coastlines of the west coast.
Three gas cylinder bombs explode in front of a vocational school in the Italian city of Brindisi, killing one person and injuring five others.
A car bomb explodes near a military complex in the Syrian city of Deir ez-Zor, killing nine people.
The Royal Thai Armed Forces concludes its crackdown on protests by forcing the surrender of United Front for Democracy Against Dictatorship leaders.
President of Romania Traian Băsescu survives an impeachment referendum and returns to office from suspension.
Space Shuttle program: Space Shuttle Atlantis is launched on mission STS-101 to resupply the International Space Station.
The Sierra Gorda biosphere, the most ecologically diverse region in Mexico, is established as a result of grassroots efforts.
Space Shuttle program: Space Shuttle Endeavour is launched on mission STS-77.
SAM Colombia Flight 501 crashes on approach to José María Córdova International Airport in Medellín, Colombia, killing 132.
Croatians vote for independence in a referendum.
The Firearm Owners Protection Act is signed into law by U.S. President Ronald Reagan.
Mars probe program: Mars 2 is launched by the Soviet Union.
The New York Post Sunday Magazine publishes Martin Luther King Jr.'s Letter from Birmingham Jail.
A birthday salute to U.S. President John F. Kennedy takes place at Madison Square Garden, New York City. The highlight is Marilyn Monroe's rendition of "Happy Birthday".
Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
At Silchar Railway Station, Assam, 11 Bengalis die when police open fire on protesters demanding state recognition of Bengali language in the Bengali Language Movement.
The North Vietnamese Army establishes Group 559, whose responsibility is to determine how to maintain supply lines to South Vietnam; the resulting route is the Ho Chi Minh trail.
A barge containing munitions destined for Pakistan explodes in the harbor at South Amboy, New Jersey, devastating the city.
Egypt announces that the Suez Canal is closed to Israeli ships and commerce.
Syrian demonstrators in Damascus are fired upon by French troops injuring twelve, leading to the Levant Crisis.
Winston Churchill's second wartime address to the U.S. Congress
World War II: In the aftermath of the Battle of the Coral Sea, Task Force 16 heads to Pearl Harbor for repairs.
Zveno and the Bulgarian Army engineer a coup d'état and install Kimon Georgiev as the new Prime Minister of Bulgaria.
Finnish cavalry general C. G. E. Mannerheim is appointed the field marshal.
The Young Pioneer Organization of the Soviet Union is established.
The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence.
The Norwegian football club Rosenborg BK is founded.
Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
Second Boer War: British troops relieve Mafeking.
Buffalo Bill's first Buffalo Bill's Wild West opens in Omaha, Nebraska.
Mexican–American War: Mexico ratifies the Treaty of Guadalupe Hidalgo thus ending the war and ceding California, Nevada, Utah and parts of four other modern-day U.S. states to the United States for US$15 million.
Captain Sir John Franklin and his ill-fated Arctic expedition depart from Greenhithe, England.
U.S. President John Quincy Adams signs the Tariff of 1828 into law, sparking outrage in the South and leading to the Nullification crisis.
Napoleon Bonaparte founds the Legion of Honour.
New England's Dark Day, an unusual darkening of the day sky, was observed over the New England states and parts of Canada.
American Revolutionary War: A Continental Army garrison surrenders in the Battle of The Cedars.
King George II of Great Britain grants the Ohio Company a charter of land around the forks of the Ohio River.
Jean-Pierre Christin developed the centigrade temperature scale.
The Invasion of Jamaica begins during the Anglo-Spanish War.
An Act of Parliament declaring England a Commonwealth is passed by the Long Parliament. England would be a republic for the next eleven years.
Thirty Years' War: French forces under the duc d'Enghien decisively defeat Spanish forces at the Battle of Rocroi, marking the symbolic end of Spain as a dominant land power.
The Prome Kingdom falls to the Taungoo Dynasty in present-day Myanmar.
Anne Boleyn, the second wife of Henry VIII of England, is beheaded for adultery, treason, and incest.
French explorer Jacques Cartier sets sail on his second voyage to North America with three ships, 110 men, and Chief Donnacona's two sons (whom Cartier had kidnapped during his first voyage).
Catherine of Aragon is married by proxy to Arthur, Prince of Wales. Catherine is 13 and Arthur is 12.
John II of Castile defeats the Infantes of Aragon at the First Battle of Olmedo.
Henry I of France marries the Rus' princess, Anne of Kiev.
The Byzantine Empire reconquers Melitene under the leadership of John Kourkouas.
Ashina Jiesheshuai and his tribesmen assaulted Emperor Taizong at Jiucheng Palace.