In a raid on the FLDS's YFZ Ranch in Texas, 401 children and 133 women are taken into state custody.

15 British Royal Navy personnel held in Iran are released by the Iranian President.

The Angolan government and UNITA rebels sign a peace treaty ending the Angolan Civil War.

Comet Hyakutake is imaged by the USA Asteroid Orbiter Near Earth Asteroid Rendezvous.

Marc Andreessen and Jim Clark found Netscape Communications Corporation under the name "Mosaic Communications Corporation".

Senator John Heinz of Pennsylvania and six others are killed when a helicopter collides with their plane over an elementary school in Merion, Pennsylvania.

Governor Evan Mecham of Arizona is convicted in his impeachment trial and removed from office.

President Ronald Reagan calls for an international ban on chemical weapons.

Space Shuttle ''Challenger'' makes its maiden voyage into space (STS-6).

The 2nd Congress of the Communist Youth of Greece starts.

President Zulfikar Ali Bhutto of Pakistan is executed.

Prince Norodom Sihanouk resigns as leader of Cambodia and is placed under house arrest.

Vietnam War: Operation Baby Lift

Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico

The World Trade Center in New York is officially dedicated.

Dr. Denton Cooley implants the first temporary artificial heart.

AEK Athens BC becomes the first Greek team to win the European Basketball Cup.

Apollo program: NASA launches Apollo 6.

Martin Luther King, Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee.

Martin Luther King, Jr. delivers his "Beyond Vietnam: A Time to Break Silence" speech in New York City's Riverside Church.

The first model of the new Saab Viggen fighter aircraft plane is unveiled.

The Beatles occupy the top five positions on the Billboard Hot 100 pop chart.

Senegal independence day.

The CND Peace Symbol displayed in public for the first time in London.

Twelve nations sign the North Atlantic Treaty creating the North Atlantic Treaty Organisation.

World War II: Soviet Army takes control of Hungary.

World War II: American troops liberate Ohrdruf forced labor camp in Germany.

World War II: First bombardment of Bucharest by Anglo-American forces kills 3000 civilians.

Faisal II becomes King of Iraq.

The Communist Party of Panama is founded.

World War I: Second Battle of the Somme ends.

The Greek aviator Emmanouil Argyropoulos becomes the first pilot victim of the Hellenic Air Force when his plane crashes.

In India, the 1905 Kangra earthquake hits the Kangra valley, kills 20,000, and destroys most buildings in Kangra, Mcleodganj and Dharamshala.

Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.

The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.

Alexander II of Russia narrowly escapes an assassination attempt in the city of Kiev.

American Civil War: A day after Union forces capture Richmond, Virginia, U.S. President Abraham Lincoln visits the Confederate capital.

Bryant's Minstrels debut "Dixie" in New York City in the finale of a blackface minstrel show.

Los Angeles, California is incorporated as a city.

The Great Fire of Cottenham, a large part of the Cambridgeshire village (England) is burnt to the ground under suspicious circumstances.

William Henry Harrison dies of pneumonia becoming the first President of the United States to die in office and the one with the shortest term served.

The United States Congress adopts the flag of the United States with 13 red and white stripes and one star for each state (then 20).

Napoleon abdicates for the first time.

U.S. President James Madison enacted a ninety-day embargo on trade with the United Kingdom.

Sir Robert Walpole enters office as the first Prime Minister of the United Kingdom under King George I.

Declaration of Breda by King Charles II of England.

Francis Drake is knighted for completing a circumnavigation of the world.

Alexios I Komnenos is crowned Byzantine emperor at Constantinople, beginning the Komnenian dynasty.