NASA launched the Pioneer 11 space probe to study the asteroid belt & the environment around Jupiter and Saturn.
New York City's Twin Tower World Trade Center was officially opened.
John Lennon's wife, Yoko Ono, was granted permanent residence in the United States.
The photograph known as Burst of joy is taken.
London Bridge, designed by Lord Holford, was officially opened by Queen Elizabeth II.
The Vietnam War officially ended, for the US at least, after the Paris Peace Accords were signed.
The U.S. Supreme Court legalizes abortion.
Nixon orders ceasefire in Vietnam.
The office of presidency established in the Democratic People's Republic of Korea.
A 6.25 magnitude earthquake destroyed central Managua, Nicaragua, killing about 10,000 people.
Plane crash survivors of Uruguayan Air Force Flight 571 were rescued.
The last manned lunar flight, Apollo 17, returned to Earth.
The third and last moonwalk of the Apollo 17 mission began.
The final Apollo mission, Apollo 17, successfully landed on the moon.
Apollo 17 launched the final manned lunar landing mission, during which the crew took the famous 'blue marble' photo of the entire Earth.
An assassination attempt was made on the First Lady of the Philippines.
Massacre begins at Munich Olympics.
Landsat 1 launched.
The Provisional IRA detonated twenty-two bombs in Belfast, Northern Ireland.
The first leap second was added to the UTC time system.
118 die in the Staines Air Disaster.
The arrest of five White House operatives sets off the Watergate scandal.
Nick Út takes his famous 'napalm girl' photo.
The Angry Brigade went to trial.
The Soviet Union and the United States sign the Anti-Ballistic Missile Treaty.
Ceylon adopted a new constitution to become the Socialist Republic of Sri Lanka.
Michelangelo's Pietà in St. Peter's Basilica in Rome was vandalized.
Germany ratifies the Treaty of Warsaw.
After being under US military authority, the island of Okinawa reverted back to Japanese control.
The Apollo 16 lunar module landed on the surface of the Moon.
The Apollo 16 mission launched from Cape Canaveral in Florida.
John Lennon and Yoko Ono were served deportation papers for overstaying in the US.
The first installment of 'The Godfather,' starring Marlon Brando and Al Pacino, premiered in New York City.
The US spacecraft Pioneer 10 launched.
US President Richard Nixon met with Chinese leader Mao Zedong in Beijing to finalize a peace deal between their two countries.
Capital punishment was declared unconstitutional in California, USA.
Grease The Musical first opened at the Eden Theatre in Manhattan, New York.
The former United States Senator Strom Thurmond sent a secret memo to President Richard Nixon's aide, saying John Lennon should be deported.
A week-long blizzard struck Iran and killed 4,000 people, making it the deadliest in history.
On 'Bloody Sunday', British troops kill 13 unarmed protesters.
A Japanese soldier was found hiding in Guam.
The first Star Trek convention was held in New York City.
Queen Margrethe II became the first Queen of Denmark since 1412.
East Pakistan renamed itself Bangladesh after seceding from Pakistan.
President Richard Nixon passed a new law that allowed NASA to build America's first space shuttle.
Doctors Without Borders was founded in Paris by French doctors and journalists.
NASA's Mariner 9 became the first spacecraft to orbit another planet when it entered Mars' orbit.
The largest US underground bomb was detonated on Amchitka Island, a remote Alaskan island.
Prospero became the first British satellite to have been launched successfully by a British rocket.
Walt Disney World Resort officially opened in Florida.