The temperature on February 1, 1947 was between -10.8 °C and -1.3 °C and averaged -7.2 °C. There was 5.2 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 1 » Cold War: The American and British occupation zones in Allied-occupied Germany, after World War II, merge to form the Bizone, which later (with the French zone) became part of West Germany.
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
October 1 » The North American F-86 Sabre flies for the first time.
November 20 » The Princess Elizabeth marries Lieutenant Philip Mountbatten, who becomes the Duke of Edinburgh, at Westminster Abbey in London.
December 16 » William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.
December 23 » The transistor is first demonstrated at Bell Laboratories.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I264076.php : accessed January 13, 2026), "Petronella de Nijs (± 1928-1947)".
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