The temperature on November 20, 1911 was between 2.9 °C and 7.9 °C and averaged 5.7 °C. There was 6.6 mm of rain. There was 1.8 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage May 27, 1938
The temperature on May 27, 1938 was between 9.0 °C and 23.8 °C and averaged 16.5 °C. There was 1.8 mm of rain during 0.5 hours. There was 11.4 hours of sunshine (70%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
March 3 » Oil is discovered in Saudi Arabia.
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.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
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/I55510.php : accessed October 11, 2026), "Geert Henstra (1911-)".
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