The temperature on September 10, 1909 was between 9.7 °C and 21.3 °C and averaged 15.6 °C. There was 6.8 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
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.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
June 26 » The Science Museum in London comes into existence as an independent entity.
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/I208522.php : accessed February 15, 2026), "Johanna Maaike Beijer (1909-)".
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