The temperature on April 30, 1937 was between 6.2 °C and 12.0 °C and averaged 8.4 °C. There was 5.6 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 1 » Spanish Civil War: Jaén, Spain is bombed by German fascist forces, supporting Francoist Nationalists.
April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
May 12 » The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
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: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I93664.php : accessed May 14, 2025), "Johannes Hendrikus Vrijenhoek (1909-)".
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