The temperature on June 23, 1909 was between 7.4 °C and 17.4 °C and averaged 13.2 °C. There was 0.5 mm of rain. There was 8.8 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
June 26 » The Science Museum in London comes into existence as an independent entity.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
When copying data from this family tree, please include a reference to the origin: P.M. Baert, "Family tree Baert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-baert/I42935.php : accessed February 5, 2026), "Sijlvia de Vliegher".
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