The temperature on September 12, 1911 was between 9.0 °C and 27.1 °C and averaged 17.7 °C. There was 10.8 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
January 21 » The first Monte Carlo Rally takes place.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
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 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
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: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I3513.php : accessed January 15, 2026), "Catharina Jacoba Wheeler (1892-1944)".
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