The temperature on November 23, 1927 was between -5.6 °C and -0.6 °C and averaged -3.7 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 10 » Fritz Lang's futuristic film Metropolis is released in Germany.
January 11 » Louis B. Mayer, head of film studio Metro-Goldwyn-Mayer (MGM), announces the creation of the Academy of Motion Picture Arts and Sciences, at a banquet in Los Angeles, California.
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.
March 24 » Nanking Incident: Foreign warships bombard Nanjing, China, in defense of the foreign citizens within the city.
April 30 » Douglas Fairbanks and Mary Pickford become the first celebrities to leave their footprints in concrete at Grauman's Chinese Theatre in Hollywood.
July 23 » The first station of the Indian Broadcasting Company goes on the air in Bombay.
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/I12041.php : accessed February 7, 2026), "Rudolph Petrus Gerhardus Dreyer (1927-2011)".
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