The temperature on May 13, 1921 was between 9.4 °C and 23.7 °C and averaged 16.5 °C. There was 8.0 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
October 5 » The World Series is the first to be broadcast on radio.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
Day of marriage August 1, 1938
The temperature on August 1, 1938 was between 16.5 °C and 26.2 °C and averaged 21.1 °C. There was 12.0 hours of sunshine (77%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 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".
March 27 » Second Sino-Japanese War: The Battle of Taierzhuang begins, resulting several weeks later in the war's first major Chinese victory over Japan.
June 7 » The Douglas DC-4E makes its first test flight.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I91709.php : accessed October 9, 2026), "Geertje Willemina Arends (1921-> 1964)".
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