The temperature on July 15, 1915 was between 10.6 °C and 17.5 °C and averaged 14.0 °C. There was 11.9 mm of rain. There was 6.5 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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 21 » Kiwanis International is founded in Detroit.
March 20 » Albert Einstein publishes his general theory of relativity.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
Day of marriage April 20, 1935
The temperature on April 20, 1935 was between 6.9 °C and 18.7 °C and averaged 13.3 °C. There was 7.6 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 16 » Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
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.
May 27 » New Deal: The Supreme Court of the United States declares the National Industrial Recovery Act to be unconstitutional in A.L.A. Schechter Poultry Corp. v. United States, (295 U.S. 495).
August 15 » Will Rogers and Wiley Post are killed after their aircraft develops engine problems during takeoff in Barrow, Alaska.
December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
December 17 » First flight of the Douglas DC-3.
Day of death July 31, 1991
The temperature on July 31, 1991 was between 12.3 °C and 22.0 °C and averaged 17.8 °C. There was 2.2 mm of rain during 2.2 hours. There was 2.2 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I11752.php : accessed February 21, 2026), "Gerritdina Schoonewille (1915-1991)".
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