Spanish Prime Minister Carrero Blanco assassinated.
Terrorists attacked Rome's Leonardo da Vinci–Fiumicino International Airport, leaving thirty dead.
The American Psychiatric Association officially declared that homosexuality is not a mental illness.
President George Papadopoulos was ousted by the army, just a week after student-led protests at the Athens Polytechnic were violently put down by the government.
Athens Polytechnic Uprising ends.
The Skylab 4 mission was launched by NASA, taking a crew of three astronauts to the US space station.
NASA launched the last space probe in the Mariner Program, Mariner 10.
The Bosphorus Bridge was completed in Turkey.
Queen Elizabeth II led the Sydney Opera House's grand opening.
OPEC enacts oil embargo.
Maynard Jackson was elected as the first black Mayor of Atlanta, Georgia.
Concorde made its first nonstop trip across the Atlantic from Washington, DC, to Paris, France, in a record-breaking time of 3 hours and 32 minutes.
Guinea-Bissau declared its independence from Portugal.
Carl XVI Gustaf succeeds his grandfather King Gustaf VI Adolf as the King of Sweden.
US involvement in Vietnam ends.
The USSR launched the Mars 7 spacecraft from the Baikonur Cosmodrome in modern-day Kazakhstan.
The Soviet spacecraft Mars 6 was launched.
Coup in Rwanda.
President Richard Nixon implemented a 60-day price freeze across the US.
NASA's Explorer 49 was launched into Earth's orbit to research long-range radio waves within the Milky Way.
Trio inventors were granted the patent to the ATM.
The world's first supersonic airliner crashes.
The people of Los Angeles elected Tom Bradley as their first Black mayor.
The USA's first space station, Skylab, was launched into Earth's orbit.
FedEx officially began its operations and flew 186 packages to 25 cities on the US's East Coast.
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 unmanned space mission Luna 21 was launched.
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.
The fourth and final attempt to launch the Soviet Union's N1 rocket failed.
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.
