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.
June 16 » Sovnarkom establishes decree time in the USSR.
June 21 » One-year conscription comes into force in France.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
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 7 » Brunei becomes the sixth member of the Association of Southeast Asian Nations (ASEAN).
February 13 » Konstantin Chernenko succeeds the late Yuri Andropov as general secretary of the Communist Party of the Soviet Union.
May 8 » The Thames Barrier is officially opened, preventing the floodplain of most of Greater London from being flooded except under extreme circumstances.
September 21 » Brunei joins the United Nations.
November 19 » San Juanico disaster: A series of explosions at the Pemex petroleum storage facility at San Juan Ixhuatepec in Mexico City starts a major fire and kills about 500 people.
December 4 » Sri Lankan Civil War: Sri Lankan Army soldiers kill 107–150 civilians in Mannar.
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 20, 2026), "Jacobus Nicolaas de Kock b2c6d5e4f3g8h3 (1930-1984)".
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