The temperature on March 15, 1911 was between -1.2 °C and 6.7 °C and averaged 2.8 °C. There was 1.5 mm of rain. There was 5.2 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of marriage May 10, 1930
The temperature on May 10, 1930 was between 3.6 °C and 13.8 °C and averaged 8.2 °C. There was 3.5 mm of rain during 4.5 hours. There was 5.3 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
April 18 » The British Broadcasting Corporation announced that "there is no news" in their evening report.
June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
July 30 » In Montevideo, Uruguay wins the first FIFA World Cup.
September 8 » 3M begins marketing Scotch transparent tape.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
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/I80562.php : accessed February 10, 2026), "Tjallina Henderika Wijkstra (1911-)".
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