The temperature on April 7, 1937 was between 6.1 °C and 14.1 °C and averaged 10.5 °C. There was 7.5 mm of rain during 4.1 hours. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 2 » The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry.
March 8 » Spanish Civil War: The Battle of Guadalajara begins.
April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
July 29 » Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
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.
When copying data from this family tree, please include a reference to the origin: J. van Venrooij, "Van Venrooij", database, Genealogy Online (https://www.genealogieonline.nl/van-venrooij/I280.php : accessed February 7, 2026), "Hendrik Rutgerus Egbert Huijgens (± 1905-)".
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