The temperature on May 31, 1938 was between 8.9 °C and 16.6 °C and averaged 13.7 °C. There was 5.0 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 30 » The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit, an early version of Bugs Bunny.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 5 » Chile: A group of youths affiliated with the fascist National Socialist Movement of Chile are executed after surrendering during a failed coup.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
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: Andre Bas, "Family tree Bas", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bas/I11500.php : accessed January 24, 2026), "Trijntje Nobel (1869-1938)".
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