The last session of history of the Catalan Courts, the parliamentary body of the Principality of Catalonia, ends. Catalonia's constitutional modernisation passed by the Courts aims to improve the guarantee of individual, political and economic rights (among them, the secrecy of correspondence).

The Intercollegiate Athletic Association of the United States (later the National Collegiate Athletic Association) is established to set rules for college sports in the United States.

World War II: The Wehrmacht razes the Greek village of Kandanos to the ground and murders 180 of its inhabitants.

English-language Wikipedia reaches its one millionth article, Jordanhill railway station.

The union of Serbia and Montenegro comes to an end with Montenegro's formal declaration of independence.

At Paris Orly Airport, Air France Flight 007 overruns the runway and explodes when the crew attempts to abort takeoff, killing 130.

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 Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman emperor, entering Rome at the head of a group of gladiators.

Michelle Bachelet is inaugurated as the first female president of Chile.

The French scholar Peter Abelard is found guilty of heresy.

Mount Unzen erupts in Kyūshū, Japan, killing 43 people, all of them either researchers or journalists.

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.

The Israeli ambassador to the United Kingdom, Shlomo Argov, is shot on a London street; he survives but is left paralysed.

Three Christian Peacemaker Team (CPT) hostages are freed by British forces in Baghdad after 118 days of captivity and the murder of their colleague from the U.S., Tom Fox.

Samuel de Champlain lands at Tadoussac, Quebec, in the course of his third voyage to New France, and begins erecting fortifications.

Capitol Hill massacre: A gunman kills six people before taking his own life at a party in Seattle's Capitol Hill neighborhood.

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.

After suffering a mechanical failure, a high speed train derails at Eschede, Germany, killing 101 people.

An English naval force defeats a fleet of Spanish galleys, and captures a large Portuguese carrack at the Battle of Sesimbra Bay

The pageant for the Diamond Jubilee of Elizabeth II takes place on the River Thames.