The temperature on September 17, 1909 was between 10.9 °C and 19.2 °C and averaged 13.7 °C. There was 2.5 hours of sunshine (20%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
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.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
August 24 » Workers start pouring concrete for the Panama Canal.
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.
December 4 » In Canadian football, the First Grey Cup game is played. The University of Toronto Varsity Blues defeat the Toronto Parkdale Canoe Club, 26–6.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I39508.php : accessed May 11, 2025), "Hendrikje van Roselaar (1909-)".
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