The temperature on September 7, 1930 was between 11.2 °C and 19.1 °C and averaged 14.7 °C. There was 5.4 mm of rain during 2.8 hours. There was 6.4 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
June 21 » One-year conscription comes into force in France.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
When copying data from this family tree, please include a reference to the origin: Eric Bus, "Family tree Bus", database, Genealogy Online (https://www.genealogieonline.nl/bus-stamboom/I522.php : accessed January 15, 2026), "Maria "Rie" de Graaf (1930-2021)".
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