The temperature on April 4, 1927 was between 5.0 °C and 10.8 °C and averaged 7.7 °C. There was 0.5 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
May 18 » The Bath School disaster: Forty-five people, including many children, are killed by bombs planted by a disgruntled school-board member in Michigan.
May 20 » Treaty of Jeddah: The United Kingdom recognizes the sovereignty of King Ibn Saud in the Kingdoms of Hejaz and Nejd, which later merge to become the Kingdom of Saudi Arabia.
May 21 » Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.
June 29 » The Bird of Paradise, a U.S. Army Air Corps Fokker tri-motor, completes the first transpacific flight, from the mainland United States to Hawaii.
December 3 » Putting Pants on Philip, the first Laurel and Hardy film, is released.
When copying data from this family tree, please include a reference to the origin: Henny Eizenga-Hendriks, "Family tree Welling", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_welling/I2131.php : accessed October 2, 2026), "Maria van Ginkel (1849-1927)".
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