The WikiMedia Foundation is founded in St. Petersburg, Florida.

The German parliament decides to move the capital from Bonn back to Berlin.

Asteroid Eureka is discovered.

The Argentine base (Corbeta Uruguay) on Southern Thule surrenders to Royal Marine commandos in the final action of the Falklands War.

ABC News correspondent Bill Stewart is shot dead by a Nicaraguan soldier under the regime of Anastasio Somoza Debayle. The murder is caught on tape and sparked international outcry of the regime.

Ezeiza massacre in Buenos Aires, Argentina. Snipers fire upon left-wing Peronists. At least 13 are killed and more than 300 are injured.

The so-called "red telephone" is established between the Soviet Union and the United States following the Cuban Missile Crisis.

Independence of Mali and Senegal.

A rare June hurricane struck Canada's Gulf of St. Lawrence killing 35.

A Venezuelan Super-Constellation crashes in the Atlantic Ocean off Asbury Park, New Jersey, killing 74 people.

''Toast of the Town'', later ''The Ed Sullivan Show'', makes its television debut.

World War II: The Battle of the Philippine Sea concludes with a decisive U.S. naval victory. The lopsided naval air battle is also known as the “Great Marianas Turkey Shoot”.

Continuation war: Soviet Union demands for an unconditional surrender from Finland during the beginning of partially successful Vyborg–Petrozavodsk Offensive. Finnish government declines the demand.

150 die at the Teatro Yaguez fire, Mayagüez, Puerto Rico.

Lizzie Borden is acquitted for the murders of her father and stepmother.

Alexander Graham Bell installs the world's first commercial telephone service in Hamilton, Ontario, Canada.

American Civil War: West Virginia is admitted as the 35th U.S. state.

Barbu Catargiu, the Prime Minister of Romania, is assassinated.

Samuel Morse receives the patent for the telegraph.

Queen Victoria succeeds to the British throne.

The U.S. vessel ''SS Savannah'' arrives at Liverpool, United Kingdom. She is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.

King Louis XVI of France and his immediate family begin the Flight to Varennes during The French Revolution.

Deputies of the French Third Estate take the Tennis Court Oath.

Oliver Ellsworth moves at the Federal Convention to call the government the United States.

The U.S. Congress adopts the Great Seal of the United States.

A British garrison is imprisoned in the Black Hole of Calcutta.

Monmouth Rebellion: James Scott, 1st Duke of Monmouth declares himself King of England at Bridgwater.

Tarhoncu Ahmet Paşa appointed grand vezir of the Ottoman Empire, served until 21 March 1653.

The sack of Baltimore: the Irish village of Baltimore is attacked by Algerian pirates.

The University of Oxford receives its charter.

Battle of Chalons: Flavius Aetius' battles Attila the Hun. After the battle, which was inconclusive, Attila retreats, causing the Romans to interpret it as a victory.