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 » The U.S. Navy commissions its first class of diesel-powered submarines.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
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
January 20 » Franklin D. Roosevelt and John Nance Garner are sworn in for their second terms as U.S. President and U.S. Vice President; it is the first time a Presidential Inauguration takes place on January 20 since the 20th Amendment changed the dates of presidential terms.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
July 7 » The Peel Commission Report recommends the partition of Palestine, which was the first formal recommendation for partition in the history of Palestine.
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 December 29, 2025), "Gerrit Kamstra (1912-)".
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