The temperature on October 22, 1927 was between 4.4 °C and 11.3 °C and averaged 8.3 °C. There was 13.5 mm of rain. The average windspeed was 4 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 24 » Nanking Incident: Foreign warships bombard Nanjing, China, in defense of the foreign citizens within the city.
April 12 » Shanghai massacre of 1927: Chiang Kai-shek orders the Chinese Communist Party members executed in Shanghai, ending the First United Front.
August 23 » Italian anarchists Sacco and Vanzetti are executed after a lengthy, controversial trial.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
December 17 » Indian revolutionary Rajendra Lahiri is hanged in Gonda jail, Uttar Pradesh, India, two days before the scheduled date.
Day of death April 23, 1928
The temperature on April 23, 1928 was between -0.8 °C and 12.6 °C and averaged 6.6 °C. There was 10.7 hours of sunshine (74%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
June 18 » Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
August 27 » The Kellogg–Briand Pact outlawing war is signed by fifteen nations. Ultimately sixty-one nations will sign it.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
November 12 » SSVestris sinks approximately 200 miles (320km) off Hampton Roads, Virginia, killing at least 110 passengers, mostly women and children who die after the vessel is abandoned.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I112795.php : accessed January 28, 2026), "Cornelis van Rootselaar (1927-1928)".
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