The temperature on March 13, 1937 was between 2.8 °C and 8.9 °C and averaged 5.3 °C. There was 1.0 mm of rain during 0.6 hours. There was 3.6 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
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.
August 14 » The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Japanese bombers are shot down by Chinese fighters while raiding Chinese air bases.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
When copying data from this family tree, please include a reference to the origin: Jo Pol, "Family tree Pol", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-pol/I448.php : accessed March 15, 2026), "Pieter Verhoef (1914-1937)".
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