The temperature on December 12, 1915 was between 0.9 °C and 5.9 °C and averaged 3.4 °C. There was 0.6 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
October 14 » World War I: Bulgaria joins the Central Powers.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage November 20, 1935
The temperature on November 20, 1935 was between 4.2 °C and 8.7 °C and averaged 6.7 °C. There was 0.1 mm of rain during 0.1 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 11 » Amelia Earhart becomes the first person to fly solo from Hawaii to California.
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
February 13 » A jury in Flemington, New Jersey finds Bruno Hauptmann guilty of the 1932 kidnapping and murder of the Lindbergh baby, the son of Charles Lindbergh.
July 16 » The world's first parking meter is installed in Oklahoma City, Oklahoma.
November 24 » The Senegalese Socialist Party holds its second congress.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
When copying data from this family tree, please include a reference to the origin: Frans Chodzynski, "Family tree Chodzynski", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-chodzynski/I11775.php : accessed March 4, 2026), "Janna Wilhelmina van de Graaf (1915-)".
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