The temperature on March 17, 1911 was between -0.7 °C and 7.0 °C and averaged 3.0 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 21 » The first Monte Carlo Rally takes place.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
Day of marriage April 20, 1938
The temperature on April 20, 1938 was between -0.6 °C and 11.1 °C and averaged 5.2 °C. There was 8.5 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 3 » World speed record for a steam locomotive is set in England, by the Mallard, which reaches a speed of 125.88 miles per hour (202.58km/h).
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
October 1 » Germany annexes the Sudetenland.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
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/I174016.php : accessed February 17, 2026), "Hilda Bouwkamp (1911-)".
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