The temperature on July 14, 1926 was between 16.6 °C and 29.9 °C and averaged 23.1 °C. There was 13.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
January 26 » The first demonstration of the television by John Logie Baird.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
November 11 » The United States Numbered Highway System is established.
Day of death September 29, 1947
The temperature on September 29, 1947 was between 9.3 °C and 17.1 °C and averaged 13.3 °C. There was 2.2 mm of rain during 1.8 hours. There was 1.5 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 23 » International Organization for Standardization is founded.
June 10 » Saab produces its first automobile.
August 2 » A British South American Airways Avro Lancastrian airliner crashes into a mountain during a flight from Buenos Aires, Argentina to Santiago, Chile. The wreckage would not be found until 1998.
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
December 23 » The transistor is first demonstrated at Bell Laboratories.
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: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I39197.php : accessed February 14, 2026), "Gerrit Willem GRIEVINK (1926-1947)".
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