The temperature on February 12, 1927 was between -4.5 °C and 8.7 °C and averaged 1.7 °C. There was 8.1 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 1 » The Union Labor Life Insurance Company is founded by the American Federation of Labor.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
July 23 » The first station of the Indian Broadcasting Company goes on the air in Bombay.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Wonink", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wonink/I1099521808.php : accessed May 30, 2024), "Derk Jan Willems (1901-)".
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