The temperature on August 4, 1942 was between 11.6 °C and 18.4 °C and averaged 14.4 °C. There was 10.5 mm of rain during 2.2 hours. There was 1.8 hours of sunshine (12%). The average windspeed was 3 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.
February 19 » World War II: Nearly 250 Japanese warplanes attack the northern Australian city of Darwin, killing 243 people.
February 24 » An order-in-council passed under the Defence of Canada Regulations of the War Measures Act gives the Canadian federal government the power to intern all "persons of Japanese racial origin".
March 31 » World War II: Japanese forces invade Christmas Island, then a British possession.
June 20 » The Holocaust: Kazimierz Piechowski and three others, dressed as members of the SS-Totenkopfverbände, steal an SS staff car and escape from the Auschwitz concentration camp.
July 16 » Holocaust: Vel' d'Hiv Roundup (Rafle du Vel' d'Hiv): The government of Vichy France orders the mass arrest of 13,152 Jews who are held at the Vélodrome d'Hiver in Paris before deportation to Auschwitz.
October 6 » World War II: American troops force the Japanese from their positions east of the Matanikau River on Guadalcanal.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I500025.php : accessed February 18, 2026), "Jan Roos (± 1915-< 2012)".
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