March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death September 17, 1984
The temperature on September 17, 1984 was between 8.5 °C and 17.7 °C and averaged 13.5 °C. There was 8.9 mm of rain during 4.2 hours. There was 2.2 hours of sunshine (17%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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.
January 1 » Brunei becomes independent of the United Kingdom.
February 3 » Space Shuttle program: STS-41-B is launched using Space Shuttle Challenger.
May 27 » The Danube-Black Sea canal is opened, in a ceremony attended by the Ceaușescus. It had been under construction since the 1950s.
July 1 » The PG-13 rating is introduced by the MPAA.
July 25 » Salyut 7 cosmonaut Svetlana Savitskaya becomes the first woman to perform a space walk.
October 19 » A Roman Catholic priest, Jerzy Popiełuszko, associated with the Solidarity Union, is killed by three agents of the Polish Communist internal intelligence agency.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I5022.php : accessed August 29, 2026), "Joanna van Laer (1900-1984)".
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