The temperature on March 31, 1937 was between -1.3 °C and 10.0 °C and averaged 4.9 °C. There was 5.9 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 16 » Wallace H. Carothers receives a United States patent for nylon.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
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.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I106571.php : accessed February 24, 2026), "Adriana van Duijn (1937-2019)".
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