The temperature on March 16, 1937 was between -0.3 °C and 9.1 °C and averaged 5.0 °C. There was 7.9 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 16 » Wallace H. Carothers receives a United States patent for nylon.
April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
May 26 » Walter Reuther and members of the United Auto Workers (UAW) clashed with Ford Motor Company security guards at the River Rouge Complex complex in Dearborn, Michigan, during the Battle of the Overpass.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
August 2 » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
When copying data from this family tree, please include a reference to the origin: A.R. Hamstra, "Family tree Hamstra - Spanjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hamstra-spanjer/R147.php : accessed December 28, 2025), "Aaltje Klazina Wiersema (± 1936-1937)".
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