The temperature on August 30, 1940 was between 6.2 °C and 16.9 °C and averaged 11.8 °C. There was 6.2 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
March 5 » Six high-ranking members of Soviet politburo, including Joseph Stalin, sign an order for the execution of 25,700 Polish intelligentsia, including 14,700 Polish POWs, in what will become known as the Katyn massacre.
May 9 » World War II: The German submarine U-9 sinks the French coastal submarine Doris near Den Helder.
July 11 » World War II: Vichy France regime is formally established. Philippe Pétain becomes Chief of the French State.
July 19 » World War II: Army order 112 forms the Intelligence Corps of the British Army.
November 16 » The Holocaust: In occupied Poland, the Nazis close off the Warsaw Ghetto from the outside world.
December 29 » World War II: In the Second Great Fire of London, the Luftwaffe fire-bombs London, England, killing almost 200 civilians.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P15478.php : accessed January 7, 2026), "David Rockefeller Sr. (1915-2017)".
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