The temperature on August 1, 1920 was between 13.1 °C and 18.6 °C and averaged 15.4 °C. There was 0.1 mm of rain. There was 2.6 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
Day of marriage April 29, 1942
The temperature on April 29, 1942 was between 3.2 °C and 12.6 °C and averaged 8.1 °C. There was 13.4 hours of sunshine (91%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 12 » World War II: United States President Franklin D. Roosevelt creates the National War Labor Board.
January 24 » World War II: The Allies bombard Bangkok, leading Thailand, then under Japanese control, to declare war against the United States and United Kingdom.
June 26 » The first flight of the Grumman F6F Hellcat.
July 22 » The United States government begins compulsory civilian gasoline rationing due to the wartime demands.
August 13 » Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
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/I123570.php : accessed October 25, 2026), "Sye Henstra (1920-)".
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