The temperature on June 20, 1940 was between 10.8 °C and 22.7 °C and averaged 17.0 °C. There was 15.2 hours of sunshine (91%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
February 29 » Finland initiates Winter War peace negotiations.
May 5 » World War II: Norwegian refugees form a government-in-exile in London.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
June 3 » Franz Rademacher proposes plans to make Madagascar the "Jewish homeland", an idea that had first been considered by 19th century journalist Theodor Herzl.
November 25 » World War II: First flights of both the de Havilland Mosquito and Martin B-26 Marauder.
December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I20997.php : accessed February 14, 2026), "N.N. van der Ven (1940)".
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