The temperature on February 23, 1918 was between 9.0 °C and 12.1 °C and averaged 10.4 °C. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
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.
May 29 » Armenia defeats the Ottoman Army in the Battle of Sardarabad.
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
August 21 » World War I: The Second Battle of the Somme begins.
October 8 » World War I: Corporal Alvin C. York kills 28 German soldiers and captures 132 for which he was awarded the Medal of Honor.
November 4 » World War I: The Armistice of Villa Giusti between Italy and Austria-Hungary is implemented.
November 11 » Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.
Day of death October 9, 1931
The temperature on October 9, 1931 was between 7.6 °C and 17.4 °C and averaged 12.6 °C. There was 6.5 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
February 13 » The British Raj completes its transfer from Calcutta to New Delhi.
March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
March 31 » An earthquake in Nicaragua destroys Managua; killing 2,000.
July 1 » United Airlines begins service (as Boeing Air Transport).
September 30 » Start of "Die Voortrekkers" youth movement for Afrikaners in Bloemfontein, South Africa.
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/I123390.php : accessed October 16, 2026), "Steffen van der Kooi (1918-1931)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.