June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
July 19 » Maurice Garin wins the first Tour de France.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
Day of death April 21, 1983
The temperature on April 21, 1983 was between 6.9 °C and 12.5 °C and averaged 9.5 °C. There was 10.9 mm of rain during 10.3 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
May 17 » The U.S. Department of Energy declassifies documents showing world's largest mercury pollution event in Oak Ridge, Tennessee (ultimately found to be 4.2million pounds [1.9kt]), in response to the Appalachian Observer's Freedom of Information Act request.
May 20 » First publications of the discovery of the HIV virus that causes AIDS in the journal Science by Luc Montagnier.
May 26 » The 7.8 Mw Sea of Japan earthquake shakes northern Honshu with a maximum Mercalli intensity of VIII (Severe). A destructive tsunami is generated that leaves about 100 people dead.
July 7 » Cold War: Samantha Smith, a US schoolgirl, flies to the Soviet Union at the invitation of Secretary General Yuri Andropov.
October 22 » Two correctional officers are killed by inmates at the United States Penitentiary in Marion, Illinois. The incident inspires the Supermax model of prisons.
October 30 » The first democratic elections in Argentina, after seven years of military rule, are held.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I122121.php : accessed October 24, 2026), "Mathijs Bakker (1903-1983)".
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