The temperature on July 29, 1915 was between 8.6 °C and 18.4 °C and averaged 14.4 °C. There was 0.7 mm of rain. There was 12.2 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
July 28 » The United States begins a 19-year occupation of Haiti.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage January 17, 1940
The temperature on January 17, 1940 was between -12.1 °C and -6.4 °C and averaged -9.3 °C. There was 1.1 mm of rain during 3.3 hours. There was 3.5 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
When copying data from this family tree, please include a reference to the origin: H.F.G. Oudmaijer, "Family tree Oudmaijer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudmaijer/I59.php : accessed February 18, 2026), "Klaas Hendrik Oudmaijer (1915-)".
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