The temperature on August 31, 1937 was between 10.3 °C and 22.4 °C and averaged 16.3 °C. There was 0.1 mm of rain. There was 9.5 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I16470.php : accessed February 19, 2026), "Johanna Tilstra (1914-1937)".
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