The temperature on July 14, 1937 was between 13.6 °C and 23.3 °C and averaged 18.6 °C. There was 7.1 hours of sunshine (43%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 28 » Volkswagen, the German automobile manufacturer is founded.
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.
July 29 » Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
August 24 » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I20053.php : accessed January 20, 2026), "Emil Ferdinand Kretzschmar (1912-)".
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