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
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
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
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.
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
November 9 » The Nazi German diplomat Ernst vom Rath dies from gunshot wounds by Herschel Grynszpan, an act which the Nazis used as an excuse to instigate the 1938 national pogrom, also known as Kristallnacht.
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 12, 2026), "Geert Henstra (1911-)".
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