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.