The temperature on April 22, 1909 was between 6.0 °C and 19.8 °C and averaged 11.5 °C. There was 10.3 hours of sunshine (72%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 2 » The Paris Film Congress opens. An attempt by European producers to form an equivalent to the MPCC cartel in the United States.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
December 10 » Selma Lagerlöf becomes the first female writer to win the Nobel Prize in Literature.
When copying data from this family tree, please include a reference to the origin: Harry Koning, "Koning Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/koning-family-tree/I501943.php : accessed May 14, 2025), "Jacob van Riessen (1909-)".
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