The temperature on May 1, 1930 was between 3.0 °C and 16.7 °C and averaged 10.2 °C. There was 6.0 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 30 » The Politburo of the Soviet Union orders the extermination of the Kulaks.
February 10 » The Việt Nam Quốc Dân Đảng launches the failed Yên Bái mutiny in hope to overthrow French protectorate over Vietnam.
March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
Day of death May 20, 1984
The temperature on May 20, 1984 was between 7.7 °C and 16.4 °C and averaged 11.3 °C. There was 9.6 mm of rain during 5.7 hours. There was 3.2 hours of sunshine (20%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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 » The original American Telephone & Telegraph Company is divested of its 22 Bell System companies as a result of the settlement of the 1974 United States Department of Justice antitrust suit against AT&T.
January 7 » Brunei becomes the sixth member of the Association of Southeast Asian Nations (ASEAN).
May 17 » Prince Charles calls a proposed addition to the National Gallery, London, a "monstrous carbuncle on the face of a much-loved and elegant friend", sparking controversies on the proper role of the Royal Family and the course of modern architecture.
July 1 » The PG-13 rating is introduced by the MPAA.
September 20 » A suicide bomber in a car attacks the U.S. embassy in Beirut, Lebanon, killing twenty-two people.
November 25 » Thirty-six top musicians gather in a Notting Hill studio and record Band Aid's "Do They Know It's Christmas?" in order to raise money for famine relief in Ethiopia.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I5480.php : accessed January 18, 2026), "Jacobus Nicolaas de Kock b2c6d5e4f3g8h3 (1930-1984)".
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