The temperature on July 20, 1937 was between 14.2 °C and 24.5 °C and averaged 19.2 °C. There was 12.4 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
February 16 » Wallace H. Carothers receives a United States patent for nylon.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
June 3 » The Duke of Windsor marries Wallis Simpson.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I307094.php : accessed January 31, 2026), "N.N. van der Ven (1937-1937)".
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