The temperature on December 21, 1940 was between -7.3 °C and -1.4 °C and averaged -5.3 °C. There was 6.7 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-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 10 » The Soviet Union begins mass deportations of Polish citizens from occupied eastern Poland to Siberia.
May 5 » World War II: Norwegian Campaign: Norwegian squads in Hegra Fortress and Vinjesvingen capitulate to German forces after all other Norwegian forces in southern Norway had laid down their arms.
May 26 » World War II: The Siege of Calais ends with the surrender of the British and French garrison.
June 16 » A Communist government is installed in Lithuania.
November 16 » The Holocaust: In occupied Poland, the Nazis close off the Warsaw Ghetto from the outside world.
November 18 » World War II: German leader Adolf Hitler and Italian Foreign Minister Galeazzo Ciano meet to discuss Benito Mussolini's disastrous Italian invasion of Greece.
When copying data from this family tree, please include a reference to the origin: Peter Wolf, "Family tree Wolf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-peter-wolf/I30.php : accessed January 7, 2026), "Jacobus Kalf (1940-2001)".
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