Editing 1980 (section)

===December===
{{Main|December 1980}}
[[File:John Lennon portrait.jpg|thumb|200px|[[December 8]]: The former [[Beatles]] member and peace activist [[John Lennon]] is shot dead outside his home in New York.]]
* [[December 2]] – A missionary ([[Jean Donovan]]) and three Roman Catholic nuns ([[Maura Clarke]], [[Ita Ford]], [[Dorothy Kazel]]), all Americans, are murdered by a military [[death squad]] in [[El Salvador]] while doing charity work during that country's [[Salvadoran Civil War|civil war]].<ref>{{cite book|title=American Foreign Policy Current Documents|url=https://books.google.com/books?id=2P4GG6IlvwAC&pg=PA1366|year=1982|publisher=Department of State|pages=1366}}</ref>
* [[December 8]] – [[Murder of John Lennon]]: [[Mark David Chapman]] is arrested following the murder of English musician [[John Lennon]], formerly of [[the Beatles]], outside his New York City apartment building, [[The Dakota]].<ref>{{cite news|newspaper=The Washington Post|last1=Wadler|first1=Joyce|last2=Sager|first2=Mike|title='I Just Shot John Lennon', He Said Coolly|date=10 December 1980|access-date=11 April 2019|url=https://www.washingtonpost.com/archive/politics/1980/12/10/i-just-shot-john-lennon-he-said-coolly/41d37bda-f5dd-4133-b9eb-4bf40935ae78/}}</ref>
* [[December 14]] – Four people are murdered and four others are injured by two armed robbers at [[Bob's Big Boy]] on [[La Cienega Boulevard]] in Los Angeles, in what is one of the city's most brutal crimes ever.
* [[December 15]] – The [[Academia de la Llingua Asturiana]] (Academy of the [[Asturian language]]) is created.
* [[December 16]] – During a summit on the island of [[Bali]], [[OPEC]] decides to raise the price of [[petroleum]] by 10%.