The temperature on April 8, 1937 was between 8.7 °C and 13.1 °C and averaged 10.5 °C. There was 0.7 mm of rain during 0.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 1 » Spanish Civil War: Jaén, Spain is bombed by German fascist forces, supporting Francoist Nationalists.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
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.
August 24 » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
When copying data from this family tree, please include a reference to the origin: Jaap van Tuyll, "Descendants Proost", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-proost/I28717.php : accessed February 24, 2026), "Trientje Proost (1934-1937)".
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