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.
When 65 cars collided during thick fog on the New Jersey Turnpike, nine people were killed.
Queen Elizabeth II led the Sydney Opera House's grand opening.
Maynard Jackson was elected as the first black Mayor of Atlanta, Georgia.
Elton John's 7th album, 'Goodbye Yellow Brick Road,' was released.
Barbra Streisand released her single 'The Way We Were.'
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.
The USSR launched the Mars 7 spacecraft from the Baikonur Cosmodrome in modern-day Kazakhstan.
The Soviet spacecraft Mars 6 was launched.
The Everly Brothers broke up after Phil Avery smashed guitar and stormed off stage.
