The temperature on August 20, 1911 was between 8.9 °C and 23.3 °C and averaged 17.0 °C. There was 10.0 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
When copying data from this family tree, please include a reference to the origin: Jan van der Eijk, "Family tree Van der Eijk Van Busschbach Leegwater Stiemer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-eijk/I14696.php : accessed January 11, 2026), "Jan Jacob van der Marel (1911-)".
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