Reconstitution of the Academy of the Distrustful in the Sala Dalmases of the Historical Archive of the City of Barcelona in Barcelona.
Khartoum massacre: In Sudan, over 100 people are killed when security forces accompanied by Janjaweed militiamen storm and open fire on a sit-in protest.
The trial of United States Army private Chelsea Manning for leaking classified material to WikiLeaks begins in Fort Meade, Maryland.
At least 119 people are killed in a fire at a poultry farm in Jilin Province in northeastern China.
A plane carrying 153 people crashes in a residential neighborhood in Lagos, Nigeria, killing everyone on board plus six people on the ground.
The pageant for the Diamond Jubilee of Elizabeth II takes place on the River Thames.
The union of Serbia and Montenegro comes to an end with Montenegro's formal declaration of independence.
After suffering a mechanical failure, a high speed train derails at Eschede, Germany, killing 101 people.
Australian Aboriginal land rights are recognised in Mabo v Queensland (No 2), a case brought by Torres Strait Islander Eddie Mabo which led to the Native Title Act 1993 overturning the long-held colonial assumption of terra nullius.
Mount Unzen erupts in Kyūshū, Japan, killing 43 people, all of them either researchers or journalists.
The government of China sends troops to force protesters out of Tiananmen Square after seven weeks of occupation.
Operation Blue Star, a military offensive, is launched by the Indian government at Harmandir Sahib, also known as the Golden Temple, the holiest shrine for Sikhs, in Amritsar. The operation continues until June 6, with casualties, most of them civili...
The Israeli ambassador to the United Kingdom, Shlomo Argov, is shot on a London street; he survives but is left paralysed.
The 1980 Grand Island tornado outbreak hits Nebraska, United States, causing five deaths and $300 million (equivalent to $1172 million in 2025) worth of damage.
A blowout at the Ixtoc I oil well in the southern Gulf of Mexico causes at least 3,000,000 barrels (480,000 m3) of oil to be spilled into the waters, the second-worst accidental oil spill ever recorded.
A Soviet supersonic Tupolev Tu-144 crashes near Goussainville, France, killing 14, the first crash of a supersonic passenger aircraft.
Melbourne–Evans collision: off the coast of South Vietnam, the Australian aircraft carrier HMAS Melbourne cuts the U.S. Navy destroyer USS Frank E. Evans in half; resulting in 74 deaths.
The launch of Gemini 4, the first multi-day space mission by a NASA crew. Ed White, a crew member, performs the first American spacewalk.
Soldiers of the South Vietnamese Army attack protesting Buddhists in Huế with liquid chemicals from tear-gas grenades, causing 67 people to be hospitalized for blistering of the skin and respiratory ailments.
At Paris Orly Airport, Air France Flight 007 overruns the runway and explodes when the crew attempts to abort takeoff, killing 130.