The temperature on December 16, 1911 was between 2.1 °C and 7.1 °C and averaged 4.5 °C. There was 3.4 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 23 » The New York Public Library is dedicated.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of marriage December 15, 1936
The temperature on December 15, 1936 was between 0.5 °C and 7.6 °C and averaged 4.7 °C. There was 1.0 mm of rain during 1.6 hours. There was 3.1 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 16 » The Popular Front wins the 1936 Spanish general election.
July 11 » The Triborough Bridge in New York City is opened to traffic.
July 20 » The Montreux Convention is signed in Switzerland, authorizing Turkey to fortify the Dardanelles and Bosphorus but guaranteeing free passage to ships of all nations in peacetime.
October 26 » The first electric generator at Hoover Dam goes into full operation.
November 20 » José Antonio Primo de Rivera, founder of the Falange, is killed by a republican execution squad.
November 23 » Life magazine is reborn as a photo magazine and enjoys instant success.
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/I139741.php : accessed February 13, 2026), "Zwaantje Klaaske Plantinga (1911-)".
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