The temperature on July 12, 1909 was between 10.4 °C and 17.0 °C and averaged 13.4 °C. There was 0.4 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
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.
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.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
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: Jan Heck, "Family tree Heck", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-heck/I32.php : accessed February 4, 2026), "Gerritjen Boenk (1909-1985)".
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