The temperature on September 8, 1909 was between 8.1 °C and 16.4 °C and averaged 12.0 °C. There was 0.2 mm of rain. There was 5.4 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
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: Martin Hessing, "Family tree Hessing", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hessing/I610.php : accessed January 5, 2026), "Aaltje Middelkoop (1864-????)".
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