The temperature on September 10, 1915 was between 5.4 °C and 20.1 °C and averaged 13.6 °C. There was 11.1 hours of sunshine (85%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
March 20 » Albert Einstein publishes his general theory of relativity.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
July 28 » The United States begins a 19-year occupation of Haiti.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of marriage December 20, 1941
The temperature on December 20, 1941 was between 0.2 °C and 6.4 °C and averaged 4.1 °C. There was 0.7 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
March 1 » World War II: Bulgaria signs the Tripartite Pact, allying itself with the Axis powers.
May 6 » At California's March Field, Bob Hope performs his first USO show.
August 22 » World War II: German troops begin the Siege of Leningrad.
September 17 » World War II: A decree of the Soviet State Committee of Defense restores compulsory military training.
December 14 » World War II: Japan signs a treaty of alliance with Thailand.
December 24 » World War II: Kuching is conquered by Japanese forces.
Day of death December 20, 2012
The temperature on December 20, 2012 was between 2.6 °C and 4.2 °C and averaged 3.2 °C. There was 5.8 mm of rain during 10.0 hours. There was 0.3 hours of sunshine (4%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from Thursday, October 14, 2010 to Monday, November 5, 2012 the cabinet Rutte I, with Mark Rutte (VVD) as prime minister.
In The Netherlands , there was from Monday, November 5, 2012 to Thursday, October 26, 2017 the cabinet Rutte II, with Mark Rutte (VVD) as prime minister.
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/I166286.php : accessed September 25, 2026), "Geeske de Haan (1915-2012)".
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