The temperature on December 8, 1911 was between 0.5 °C and 7.1 °C and averaged 4.0 °C. There was 0.7 mm of rain. There was 4.5 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 5 » The Kowloon–Canton Railway commences service.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of death June 20, 1938
The temperature on June 20, 1938 was between 8.3 °C and 19.5 °C and averaged 14.8 °C. There was 13.3 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
November 9 » The Nazi German diplomat Ernst vom Rath dies from gunshot wounds by Herschel Grynszpan, an act which the Nazis used as an excuse to instigate the 1938 national pogrom, also known as Kristallnacht.
November 14 » The Lions Gate Bridge, connecting Vancouver to the North Shore region, opens to traffic.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I135822.php : accessed February 16, 2026), "Jan Heida (1911-1938)".
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