The temperature on May 25, 1927 was between 4.8 °C and 16.3 °C and averaged 11.0 °C. There was 10.8 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
December 2 » Following 19 years of Ford Model T production, the Ford Motor Company unveils the Ford Model A as its new automobile.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I23795.php : accessed February 11, 2026), "Gerritje Antonia Peters (1906-)".
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