The temperature on April 9, 1911 was between 0.2 °C and 6.7 °C and averaged 4.3 °C. There was 0.1 mm of rain. There was 0.9 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage March 29, 1934
The temperature on March 29, 1934 was between 1.3 °C and 8.3 °C and averaged 4.4 °C. There was 4.4 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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/I91215.php : accessed October 25, 2026), "Johanna Drolenga (1911-)".
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