The temperature on September 20, 1938 was between 7.6 °C and 21.2 °C and averaged 15.1 °C. There was 0.1 mm of rain. There was 6.2 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
April 25 » U.S. Supreme Court delivers its opinion in Erie Railroad Co. v. Tompkins and overturns a century of federal common law.
June 11 » Second Sino-Japanese War: The Battle of Wuhan starts.
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
When copying data from this family tree, please include a reference to the origin: Grant P Ostler, "Ostler Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/ostler-family-tree/I487.php : accessed May 25, 2024), "Adriaan de Roon (± 1654-????)".
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