The temperature on May 25, 1927 was between 5.2 °C and 16.8 °C and averaged 11.1 °C. There was 10.8 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
March 15 » The first Women's Boat Race between the University of Oxford and the University of Cambridge takes place on The Isis in Oxford.
April 14 » The first Volvo car premieres in Gothenburg, Sweden.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
December 27 » Kern and Hammerstein's musical play Show Boat, considered to be the first true American musical play, opens at the Ziegfeld Theatre on Broadway.
When copying data from this family tree, please include a reference to the origin: LvH, "Genealogy Valk / Valck", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-valk/I6386.php : accessed June 23, 2024), "Bertus VALK (1927-2001)".
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