The temperature on July 7, 1938 was between 7.9 °C and 22.9 °C and averaged 17.5 °C. There was 0.2 mm of rain during 0.1 hours. There was 11.4 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 28 » The World Land Speed Record on a public road is broken by Rudolf Caracciola in the Mercedes-Benz W195 at a speed of 432.7 kilometres per hour (268.9mph).
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
October 1 » Germany annexes the Sudetenland.
November 1 » Seabiscuit defeats War Admiral in an upset victory during a match race deemed "the match of the century" in horse racing.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I5544.php : accessed January 28, 2026), "Harm Wiessenberg (1922-1938)".
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