The temperature on November 15, 1910 was between 0.2 °C and 9.4 °C and averaged 4.7 °C. There was 3.9 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
Day of marriage May 15, 1933
The temperature on May 15, 1933 was between 4.8 °C and 12.9 °C and averaged 8.3 °C. There was 0.8 mm of rain during 1.0 hours. There was 5.1 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
March 28 » The Imperial Airways biplane City of Liverpool is believed to be the first airliner lost to sabotage when a passenger sets a fire on board.
April 3 » First flight over Mount Everest, by the British Houston-Mount Everest Flight Expedition, led by the Marquis of Clydesdale, and funded by Lucy, Lady Houston.
May 6 » The Deutsche Studentenschaft attacked Magnus Hirschfeld's Institut für Sexualwissenschaft, later burning many of its books.
September 3 » Yevgeniy Abalakov is the first man to reach the highest point in the Soviet Union, Communism Peak (now called Ismoil Somoni Peak and situated in Tajikistan) (7495 m).
November 16 » The United States and the Soviet Union establish formal diplomatic relations.
December 5 » The Twenty-first Amendment to the United States Constitution is ratified.
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/I101647.php : accessed October 18, 2026), "Jan van der Zwaag (1910-)".
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