The temperature on December 9, 1911 was between 0.7 °C and 5.9 °C and averaged 3.4 °C. There was 3.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
Day of marriage February 29, 1936
The temperature on February 29, 1936 was between 0.5 °C and 6.1 °C and averaged 3.1 °C. There was 0.4 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 27 » The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.
June 28 » The Japanese puppet state of Mengjiang is formed in northern China.
July 11 » The Triborough Bridge in New York City is opened to traffic.
August 3 » A fire wipes out Kursha-2 in the Meshchera Lowlands, Ryazan Oblast, Russia, killing 1,200 and leaving only 20 survivors.
October 9 » Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles.
November 25 » In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
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/I100123.php : accessed December 30, 2025), "Anna Weening (1911-)".
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