The temperature on April 15, 1938 was between 3.0 °C and 11.7 °C and averaged 7.7 °C. There was 0.2 mm of rain during 0.3 hours. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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".
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
October 1 » Germany annexes the Sudetenland.
October 5 » In Nazi Germany, Jews' passports are invalidated.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I10243.php : accessed January 27, 2026), "John Smidt (1938-)".
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