The temperature on August 11, 1915 was between 11.9 °C and 21.9 °C and averaged 17.0 °C. There was 6.7 hours of sunshine (45%). 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.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
March 20 » Albert Einstein publishes his general theory of relativity.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death June 5, 1941
The temperature on June 5, 1941 was between 10.7 °C and 23.7 °C and averaged 17.8 °C. There was 10.8 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
April 27 » World War II: German troops enter Athens.
May 13 » World War II: Yugoslav royal colonel Dragoljub Mihailović starts fighting against German occupation troops, beginning the Serbian resistance.
September 3 » The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
September 17 » World War II: A decree of the Soviet State Committee of Defense restores compulsory military training.
September 22 » The Holocaust in Ukraine: On the Jewish New Year Day, the German SS murders 6,000 Jews in Vinnytsia, Ukraine. Those are the survivors of the previous killings that took place a few days earlier in which about 24,000 Jews were executed.
December 25 » Admiral Chester W. Nimitz arrives at Pearl Harbor to assume command of the U.S. Pacific Fleet.
When copying data from this family tree, please include a reference to the origin: Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I67131.php : accessed February 21, 2026), "Hendrik la Duk (1915-1941)".
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