The temperature on April 23, 1909 was between 7.9 °C and 15.5 °C and averaged 11.5 °C. There was 6.0 mm of rain. There was 8.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I2896.php : accessed February 3, 2026), "Petrus Willem Ooteman (1909-)".
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