The temperature on July 14, 1911 was between 14.2 °C and 22.7 °C and averaged 18.0 °C. There was 0.1 mm of rain. There was 13.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
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.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of marriage March 25, 1935
The temperature on March 25, 1935 was between 0.6 °C and 10.4 °C and averaged 6.5 °C. There was 0.6 mm of rain during 0.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 28 » Iceland becomes the first Western country to legalize therapeutic abortion.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
April 8 » The Works Progress Administration is formed when the Emergency Relief Appropriation Act of 1935 becomes law.
June 18 » Police in Vancouver, British Columbia, Canada, clash with striking longshoremen, resulting in a total of 60 injuries and 24 arrests.
December 9 » The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago.
December 30 » The Italian Air Force bombs a Swedish Red Cross hospital during the Second Italo-Abyssinian War.
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/I134033.php : accessed February 19, 2026), "Johannes de Graaf (1911-)".
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