The temperature on April 30, 1917 was between 2.5 °C and 16.2 °C and averaged 9.6 °C. There was 11.4 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
May 19 » The Norwegian football club Rosenborg BK is founded.
September 26 » World War I: The Battle of Polygon Wood begins.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
December 7 » World War I: The United States declares war on Austria-Hungary.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
Day of marriage May 28, 1940
The temperature on May 28, 1940 was between 8.1 °C and 22.3 °C and averaged 14.9 °C. There was 3.2 mm of rain during 1.3 hours. There was 7.2 hours of sunshine (44%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
July 5 » World War II: Foreign relations of Vichy France are severed with the United Kingdom.
August 20 » World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
September 15 » World War II: The climax of the Battle of Britain, when the Royal Air Force shoots down large numbers of Luftwaffe aircraft.
November 9 » Warsaw is awarded the Virtuti Militari.
November 10 » The 1940 Vrancea earthquake strikes Romania killing an estimated 1,000 and injuring approximately 4,000 more.
When copying data from this family tree, please include a reference to the origin: Cor Blommers, "Family tree Dobben", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dobben/I2887.php : accessed February 24, 2026), "Francisca Schaefer (1917-)".
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