The temperature on November 17, 1911 was between 7.9 °C and 12.3 °C and averaged 9.7 °C. There was 17.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
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.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
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 December 23, 1938
The temperature on December 23, 1938 was between -14.7 °C and -5.9 °C and averaged -10.1 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 3 » The March of Dimes is established as a foundation to combat infant polio by President Franklin D. Roosevelt.
April 10 » The 1938 German parliamentary election and referendum seeks approval for a single list of Nazi candidates and the recent annexation of Austria.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
September 5 » Chile: A group of youths affiliated with the fascist National Socialist Movement of Chile are executed after surrendering during a failed coup.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
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: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I349997.php : accessed February 4, 2026), "Christina Wilhelmina Martina Pijnenburg (1911-)".
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