The temperature on July 16, 1909 was between 12.0 °C and 15.9 °C and averaged 14.0 °C. There was 6.3 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
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.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
December 14 » New South Wales Premier Charles Wade signs the Seat of Government Surrender Act 1909, formally completing the transfer of State land to the Commonwealth to create the Australian Capital Territory.
When copying data from this family tree, please include a reference to the origin: John van Os, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-os/I12866.php : accessed February 18, 2026), "Cornelia Johanna van der Werff".
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