The temperature on April 6, 1909 was between 0.4 °C and 15.9 °C and averaged 8.7 °C. There was 12.0 hours of sunshine (90%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
April 18 » Joan of Arc is beatified in Rome.
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.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I187630.php : accessed October 24, 2026), "Berend Visser (1909-)".
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