The temperature on August 11, 1911 was between 15.6 °C and 30.8 °C and averaged 23.7 °C. There was 13.0 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of marriage October 21, 1937
The temperature on October 21, 1937 was between 2.1 °C and 13.4 °C and averaged 8.1 °C. There was 0.2 mm of rain. There was 3.3 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
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/I201934.php : accessed October 19, 2026), "Alberdina Groenewold (1911-)".
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