The temperature on August 15, 1909 was between 15.5 °C and 23.4 °C and averaged 18.4 °C. There was 5.3 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
June 26 » The Science Museum in London comes into existence as an independent entity.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I28166.php : accessed January 5, 2026), "Christina Geertrui Maria Glasbergen (1909-)".
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