The temperature on May 12, 1941 was between -1.7 °C and 14.1 °C and averaged 6.9 °C. There was 11.2 hours of sunshine (72%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
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.
March 27 » World War II: Yugoslav Air Force officers topple the pro-Axis government in a bloodless coup.
May 9 » World War II: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma machine which Allied cryptographers later use to break coded German messages.
November 14 » World War II: In Slonim, German forces engaged in Operation Barbarossa murder 9,000 Jews in a single day.
December 6 » World War II: The United Kingdom and Canada declare war on Finland in support of the Soviet Union during the Continuation War. Camp X opens in Canada to begin training Allied Secret Agents for the War.
December 11 » World War II: Germany and Italy declare war on the United States, following the Americans' declaration of war on the Empire of Japan in the wake of the attack on Pearl Harbor. The United States, in turn, declares war on them.
December 19 » World War II: Limpet mines placed by Italian divers heavily damage HMSValiant and HMSQueen Elizabeth in Alexandria harbour.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I81095.php : accessed February 25, 2026), "Cornelis Boven (1908-)".
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