WHAT HAPPENED IN 1980.
Look what happened the 1980.

Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole. (20. November 1980)

A deadly fire breaks out at the MGM Grand Hotel in Paradise, Nevada (now Bally's Las Vegas). 87 people are killed and more than 650 are injured in the worst disaster in Nevada history. (21. November 1980)

A series of earthquakes in southern Italy kills approximately 3,000 people. (23. November 1980)

Iran–Iraq War: Operation Morvarid – The bulk of the Iraqi Navy is destroyed by the Iranian Navy in the Persian Gulf. (Commemorated in Iran as Navy Day.) (28. November 1980)

Salvadoran Civil War: Four U.S. nuns and churchwomen, Ita Ford, Maura Clarke, Jean Donovan, and Dorothy Kazel, are murdered by a military death squad. (2. December 1980)

English rock group Led Zeppelin officially disbands, following the death of drummer John Bonham on September 25. (4. December 1980)

John Lennon is murdered by a deranged fan in front of The Dakota in New York City. (8. December 1980)

The Comprehensive Environmental Response, Compensation, and Liability Act (Superfund) is enacted by the U.S. Congress. (11. December 1980)

Witnesses report the first of several sightings of unexplained lights near RAF Woodbridge, in Rendlesham Forest, Suffolk, England, United Kingdom, an incident called "Britain's Roswell". (24. December 1980)