The temperature on May 11, 1927 was between 1.6 °C and 12.4 °C and averaged 6.6 °C. There was 5.0 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 7 » The first transatlantic telephone service is established from New York City to London.
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.
May 27 » The Ford Motor Company ceases manufacture of the Ford Model T and begins to retool plants to make the Ford Model A.
June 26 » The Cyclone roller coaster opens on Coney Island.
June 27 » Prime Minister of Japan Tanaka Giichi convenes an eleven-day conference to discuss Japan's strategy in China. The Tanaka Memorial, a forged plan for world domination, is later claimed to be a secret report leaked from this conference.
July 16 » Augusto César Sandino leads a raid on U.S. Marines and Nicaraguan Guardia Nacional that had been sent to apprehend him in the village of Ocotal, but is repulsed by one of the first dive-bombing attacks in history.
When copying data from this family tree, please include a reference to the origin: Cees van der Pol, "Family tree Van der Pol", database, Genealogy Online (https://www.genealogieonline.nl/van-der-pol-stamboom/I4681.php : accessed September 24, 2024), "Hendrik "Henke" Grootveldt (1905-)".
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