The temperature on August 20, 1912 was between 9.9 °C and 19.0 °C and averaged 14.7 °C. There was 5.7 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of marriage June 18, 1937
The temperature on June 18, 1937 was between 5.4 °C and 14.4 °C and averaged 10.2 °C. There was 5.6 mm of rain during 2.6 hours. There was 2.6 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
April 30 » The Commonwealth of the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
November 9 » Second Sino-Japanese War: The Chinese Army withdraws from the Battle of Shanghai.
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
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/I119753.php : accessed October 17, 2026), "Gerrit Kamstra (1912-)".
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