The temperature on March 18, 1909 was between -3.4 °C and 9.1 °C and averaged 2.9 °C. There was 6.2 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
Day of death August 4, 1911
The temperature on August 4, 1911 was between 11.4 °C and 22.6 °C and averaged 17.4 °C. There was 2.5 mm of rain. There was 9.0 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
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/I117938.php : accessed February 21, 2026), "Jilline Keizer (1909-1911)".
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