The temperature on March 17, 1927 was between 0.2 °C and 13.8 °C and averaged 7.2 °C. There was 9.4 hours of sunshine (79%). The average windspeed was 3 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.
March 29 » Sunbeam 1000hp breaks the land speed record at Daytona Beach, Florida.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
July 10 » Kevin O'Higgins TD, Vice-President of the Executive Council of the Irish Free State is assassinated by the IRA.
September 7 » The first fully electronic television system is achieved by Philo Farnsworth.
October 25 » The Italian luxury liner SS Principessa Mafalda sinks off the coast of Brazil, killing 314.
Day of marriage May 9, 1947
The temperature on May 9, 1947 was between 11.4 °C and 26.9 °C and averaged 19.9 °C. There was 10.5 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 16 » An explosion on board a freighter in port causes the city of Texas City, Texas, to catch fire, killing almost 600.
May 1 » Portella della Ginestra massacre against May Day celebrations in Sicily by the bandit and separatist leader Salvatore Giuliano where 11 persons are killed and 33 wounded.
July 4 » The "Indian Independence Bill" is presented before the British House of Commons, proposing the independence of the Provinces of British India into two sovereign countries: India and Pakistan.
October 20 » The House Un-American Activities Committee begins its investigation into Communist infiltration of the Hollywood film industry, resulting in a blacklist that prevents some from working in the industry for years.
November 17 » The Screen Actors Guild implements an anti-Communist loyalty oath.
December 30 » Cold War: King Michael I of Romania is forced to abdicate by the Soviet Union-backed Communist government of Romania.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I189882.php : accessed October 12, 2026), "Hendrikje Postma (1927-2021)".
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