February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
March 1 » The Australian Army is formed.
April 25 » New York becomes the first U.S. state to require automobile license plates.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage June 18, 1931
The temperature on June 18, 1931 was between 9.6 °C and 19.6 °C and averaged 14.8 °C. There was 10.9 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Gerard Mutter, "Family tree De Duffelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-duffelt/I240750.php : accessed June 6, 2024), "Hendrikus Theodorus "1901 " Verploegen (1901-)".
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