The temperature on April 14, 1940 was between 3.3 °C and 9.9 °C and averaged 6.9 °C. There was 1.5 mm of rain during 1.3 hours. There was 0.6 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
June 4 » World War II: The Dunkirk evacuation ends: British forces complete evacuation of 338,000 troops from Dunkirk in France. To rally the morale of the country, Winston Churchill delivers, only to the House of Commons, his famous "We shall fight on the beaches" speech.
June 10 » World War II: Military resistance to the German occupation of Norway ends.
June 10 » World War II: U.S. President Franklin D. Roosevelt denounces Italy's actions in his "Stab in the Back" speech at the graduation ceremonies of the University of Virginia.
July 3 » World War II: The Royal Navy attacks the French naval squadron in Algeria, to ensure that it will not fall under German control. Of the four French battleships present, one is sunk, two are damaged, and one escapes back to France.
July 19 » World War II: Army order 112 forms the Intelligence Corps of the British Army.
August 25 » World War II: The first Bombing of Berlin by the British Royal Air Force.
Day of death April 9, 1943
The temperature on April 9, 1943 was between 4.6 °C and 12.7 °C and averaged 8.7 °C. There was 0.5 mm of rain during 1.0 hours. There was 6.8 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
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.
January 22 » World War II: Australian and American forces defeat Japanese army and navy units in the bitterly fought Battle of Buna–Gona.
January 31 » World War II: German Field Marshal Friedrich Paulus surrenders to the Soviets at Stalingrad, followed 2 days later by the remainder of his Sixth Army, ending one of the war's fiercest battles.
February 27 » The Smith Mine #3 in Bearcreek, Montana, explodes, killing 74 men.
July 23 » The Rayleigh bath chair murder occurred in Rayleigh, Essex, England.
October 3 » World War II: German forces murder 92 civilians in Lyngiades, Greece.
November 6 » The 1st Ukrainian Front, led by general Nikolai Vatutin, liberates Kyiv from fascist occupation.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I1315.php : accessed February 18, 2026), "Hubertus Johannes Joseph Knippenberg (1940-1943)".
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