The temperature on April 25, 1927 was between 5.1 °C and 10.9 °C and averaged 8.6 °C. There was 5.5 mm of rain. There was 3.1 hours of sunshine (21%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. 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 11 » In New York City, Samuel Roxy Rothafel opens the Roxy Theatre.
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 15 » Massacre of July 15, 1927: Eighty-nine protesters are killed by the Austrian police in Vienna.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
Day of death April 25, 2006
The temperature on April 25, 2006 was between 7.9 °C and 21.8 °C and averaged 14.2 °C. There was 8.0 hours of sunshine (55%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
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/I9087.php : accessed January 22, 2026), "William Mansell Upham (1927-2006)".
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