About the day » Wednesday December 20, 1989Calender converter

• Natascha Bakker, Den Burg († 1992)
• Rachael Cornwell, Dixon, Lee County, Illinois, Verenigde Staten († 2023)
• Isabelle Laura Mylanus, Zoetermeer
• Karrym Aïssa Paul Herbar, Geleen, Limburg, Nederland

• Anna Barbara Schwickart (84), Heerlen
• Aaltje Pathuis (90)
• Antonius Hendricusz Hoefkens (100), Amsterdam, Noord-Holland, Nederland
• Anna Clara Pagen (88), Kerkrade, Nederland
• Adrianus Timmermans (67)
• Agnes Johanna van Duyn (75), Geldrop, Noord-Brabant, Nederland
• Annechien A.G. Kamphuis (46)
• Albert Hubertus Peter Krebbers (75)
• Alice Adeline Guenthner (83)
• Adrianus Schreurs (73), Powell River, Powell River, Brits Columbia, Canada

• 1983 » Darren Sammy, Saint Lucian cricketer
• 1983 » Jonah Hill, American actor, producer, and screenwriter
• 1984 » Nikolaos Karabelas, Greek footballer
• 1990 » JoJo, American singer and actress
• 1991 » Fabian Schär, Swiss footballer
• 1991 » Jillian Rose Reed, American actress
• 1991 » Jorginho, Brazilian footballer
• 1991 » Rachael Boyle, Scottish footballer
• 1992 » Ksenia Makarova, Russian-American figure skater
• 1993 » Robeisy Ramírez, Cuban boxer

• 1984 » Dmitry Ustinov, Minister of Defence of the Soviet Union (1976-84) (b. 1908)
• 1984 » Stanley Milgram, American psychologist and academic (b. 1933)
• 1986 » Joe DeSa, American baseball player (b. 1959)
• 1991 » Albert Van Vlierberghe, Belgian cyclist (b. 1942)
• 1991 » Sam Rabin, English wrestler, singer, and sculptor (b. 1903)
• 1991 » Simone Beck, French chef and author (b. 1904)
• 1993 » Nazife Güran, Turkish composer and educator (b. 1921)
• 1993 » W. Edwards Deming, American statistician, author, and academic (b. 1900)
• 1994 » Dean Rusk, American lawyer, and politician, 54th United States Secretary of State (b. 1909)
• 1995 » Madge Sinclair, Jamaican-American actress (b. 1938)

• Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
• In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
• The Netherlands had about 14.8 million citizens.
• April 19 » A gun turret explodes on the USSIowa, killing 47 sailors.
• June 4 » The Tiananmen Square protests are suppressed in Beijing by the People's Liberation Army, with between 241 and 1,000 dead (an unofficial estimate).
• June 24 » Jiang Zemin succeeds Zhao Ziyang to become the General Secretary of the Communist Party of China after the Tiananmen Square protests of 1989.
• July 5 » Iran–Contra affair: Oliver North is sentenced by U.S. District Judge Gerhard A. Gesell to a three-year suspended prison term, two years probation, $150,000 in fines and 1,200 hours community service. His convictions are later overturned.
• August 19 » Several hundred East Germans cross the frontier between Hungary and Austria during the Pan-European Picnic, part of the events that began the process of the Fall of the Berlin Wall.
• December 17 » The Simpsons premieres on television with the episode "Simpsons Roasting on an Open Fire".

The temperature on December 20, 1989 was between 4.2 °C and 13.9 °C and averaged 9.8 °C. There was 13.5 mm of rain during 10.3 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south.