The temperature on June 12, 1927 was between 8.6 °C and 18.3 °C and averaged 12.8 °C. There was 2.6 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 27 » Ibn Saud takes the title of King of Nejd.
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.
February 23 » U.S. President Calvin Coolidge signs a bill by Congress establishing the Federal Radio Commission (later replaced by the Federal Communications Commission) which was to regulate the use of radio frequencies in the United States.
April 19 » Mae West is sentenced to ten days in jail for obscenity for her play Sex.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I15292.php : accessed February 1, 2026), "Anna Elizabeth du Plessies (1860-1927)".
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