In the town of Lake Delton, Wisconsin, Lake Delton drains as a result of heavy flooding breaking the dam holding the lake back.

Kosovo War: the Federal Republic of Yugoslavia and NATO sign a peace treaty.

The Rogers Commission releases its report on the Space Shuttle Challenger disaster.

Thomas Sutherland is kidnapped in Lebanon (he will not be released until 1991).

The Ghost Train Fire at Luna Park Sydney (New South Wales, Australia) kills seven.

The Church of Jesus Christ of Latter-day Saints opens its priesthood to "all worthy men", ending a 148-year-old policy excluding black men.

Portugal and the Soviet Union establish diplomatic relations.

Secretariat wins the Triple Crown.

U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.

Six-Day War: Israel captures the Golan Heights from Syria

Civilian Prime Minister of South Vietnam Phan Huy Quat resigned after being unable to work with a junta led by Nguyen Cao Ky.

The {{USS|George Washington|SSBN-598|6}} is launched. It is the first submarine to carry ballistic missiles.

Queen Elizabeth II officially opens London Gatwick Airport, (LGW) in Crawley, West Sussex, United Kingdom.

First ascent of Broad Peak/Faichan Kangri, the world's 12th highest mountain, by an Austrian expedition lead by Marcus Schmuck and with Fritz Wintersteller, Kurt Diemberger and Hermann Buhl.

McCarthyism: Joseph Welch, special counsel for the United States Army, lashes out at Senator Joseph McCarthy during hearings on whether Communism has infiltrated the Army giving McCarthy the famous rebuke, "You've done enough. Have you no sense of decency, sir, at long last? Have you left no sense of decency?"

Flint-Worcester tornado outbreak sequence: a tornado spawned from the same storm system as the Flint tornado hits in Worcester, Massachusetts killing 94.

King Bhumibol Adulyadej ascends to the throne of Thailand. He is currently the world's longest reigning monarch.

World War II: 99 civilians are hung from lampposts and balconies by German troops in Tulle, France, in reprisal for maquisards attacks.

World War II: the Soviet Union invades East Karelia and the previously Finnish part of Karelia, occupied by Finland since 1941.

Donald Duck makes his debut in ''The Wise Little Hen''.

''Chicago Tribune'' reporter Jake Lingle is killed during rush hour at the Illinois Central train station by the Leo Vincent Brothers, allegedly over a 100,000 USD gambling debt owed to Al Capone.

Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the ''Southern Cross''.

Bulgaria's military takes over the government in a coup.

William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the {{RMS|Lusitania}}.

A peace treaty is signed to end the Sino-French War, with China eventually giving up Tonkin and Annam - most of present-day Vietnam - to France.

Alexandra Palace in London burns down after being open for only 16 days.

American Civil War: Battle of Brandy Station, Virginia.

Five hundred Mormons leave Iowa City, Iowa and head west for Salt Lake City carrying all their possessions in two-wheeled handcarts.

End of the Congress of Vienna: the new European political situation is set.

Irish Rebellion of 1798: Battle of Arklow and Battle of Saintfield.

The British schooner ''Gaspée'' is burned off the coast of Rhode Island.

James Oglethorpe is granted a royal charter for the colony of Georgia.

The Raid on the Medway by the Dutch fleet begins. It lasts for five days and results in a decisive victory by the Dutch over the English in the Second Anglo-Dutch War.

The Harvard Corporation, the more powerful of the two administrative boards of Harvard, is established. It is the first legal corporation in the Americas.

Jacques Cartier is the first European to discover the Saint Lawrence River.

Duccio's Maestà Altarpiece, a seminal artwork of the early Italian Renaissance, is unveiled and installed in the Siena Cathedral in Siena, Italy.

Odo of Aquitaine defeats the Moors in the Battle of Toulouse.

Roman Emperor Nero commits suicide, after quoting Homer's ''Iliad''.

Claudia Octavia is executed.

Roman Emperor Nero marries Claudia Octavia