The temperature on May 20, 1909 was between 5.1 °C and 21.2 °C and averaged 14.7 °C. There was 13.9 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
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.
August 24 » Workers start pouring concrete for the Panama Canal.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
December 4 » The Montreal Canadiens ice hockey club, the oldest surviving professional hockey franchise in the world, is founded as a charter member of the National Hockey Association.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I19147.php : accessed January 15, 2026), "Maria Elizabeth Catharina (Maria Elizabeth Catharina) Klopper (1853-1909)".
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