The temperature on August 24, 1911 was between 9.1 °C and 24.7 °C and averaged 18.0 °C. There was 9.8 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
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.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of marriage April 25, 1935
The temperature on April 25, 1935 was between 7.8 °C and 16.8 °C and averaged 11.3 °C. There was 3.4 mm of rain during 3.2 hours. There was 6.6 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 1 » India's central banking institution, The Reserve Bank of India, is formed.
May 6 » New Deal: Under the authority of the newly-enacted Federal Emergency Relief Administration, President Franklin D. Roosevelt issues Executive Order 7034 to create the Works Progress Administration.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
July 28 » First flight of the Boeing B-17 Flying Fortress.
August 14 » Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired.
When copying data from this family tree, please include a reference to the origin: Hans Dunning, "Family tree Dunning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dunning/R6860.php : accessed February 2, 2026), "Jetske Jonkman (1911-)".
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