WHAT ALL HAPPENED SEPTEMBER TO DECEMBER 1973
Find out what all happened September to December 1973

The Athens Polytechnic uprising against the military regime ends in a bloodshed in the Greek capital. (17. November 1973)

Juan Perón returns to power in Argentina. (23. September 1973)

Mountjoy Prison helicopter escape. Three Provisional Irish Republican Army members escape from Mountjoy Prison, Dublin, Republic of Ireland aboard a hijacked helicopter that lands in the exercise yard. (31. October 1973)

OPEC starts an oil embargo against a number of western countries, considered to have helped Israel in its war against Syria. (17. October 1973)

Papua New Guinea gains self-governance from Australia. (1. December 1973)

Fred Dryer of the then Los Angeles Rams becomes the first player in NFL history to score two safeties in the same game. (21. October 1973)

John Paul Getty III, grandson of American billionaire J. Paul Getty, is found alive near Naples, Italy, after being kidnapped by an Italian gang on July 10. (15. December 1973)

The Prime Minister of Spain, Admiral Luis Carrero Blanco, is assassinated by a car bomb attack in Madrid. (20. December 1973)

Concorde makes its first non-stop crossing of the Atlantic in record-breaking time. (26. September 1973)

U.S. President Richard Nixon signs the Trans-Alaska Pipeline Authorization Act into law, authorizing the construction of the Alaska Pipeline. (16. November 1973)

The Cañon City meteorite, a 1.4 kg chondrite type meteorite, strikes in Fremont County, Colorado. (27. October 1973)

District of Columbia Home Rule Act is passed, allowing residents of Washington, D.C. to elect their own local government. (24. December 1973)

Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974, it becomes the first space probe to reach that planet. (3. November 1973)

Guinea-Bissau declares its independence from Portugal. (24. September 1973)

Greek military junta of 1967–1974: Junta strongman George Papadopoulos appoints Spyros Markezinis as Prime Minister of Greece with the task to lead Greece to parliamentary rule. (8. October 1973)

"Saturday Night Massacre": President Richard Nixon fires U.S. Attorney General Elliot Richardson and Deputy Attorney General William Ruckelshaus after they refuse to fire Watergate special prosecutor Archibald Cox, who is finally fired by Robert Bork. (20. October 1973)

A United Nations sanctioned cease-fire officially ends the Yom Kippur War between Israel and Syria. (23. October 1973)

The right ear of John Paul Getty III is delivered to a newspaper together with a ransom note, convincing his father to pay 2.9 million USD. (8. November 1973)

Pioneer program: Pioneer 10 sends back the first close-up images of Jupiter. (3. December 1973)

A coup in Chile headed by General Augusto Pinochet topples the democratically elected president Salvador Allende. Pinochet exercises dictatorial power until ousted in a referendum in 1988, staying in power until 1990. (11. September 1973)