The temperature on January 17, 1938 was between 2.6 °C and 10.8 °C and averaged 7.2 °C. There was 3.2 mm of rain during 5.3 hours. There was 0.9 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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).
February 18 » Second Sino-Japanese War: During the Nanking Massacre, the Nanking Safety Zone International Committee is renamed "Nanking International Rescue Committee", and the safety zone in place for refugees falls apart.
June 7 » The Douglas DC-4E makes its first test flight.
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I1980.php : accessed February 14, 2026), "Maria Everdina Jacoba Laan (± 1934-1938)".
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