The temperature on August 23, 1915 was between 6.4 °C and 19.2 °C and averaged 13.2 °C. There was 0.1 mm of rain. There was 4.3 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
September 5 » The pacifist Zimmerwald Conference begins.
Day of marriage September 26, 1936
The temperature on September 26, 1936 was between 7.8 °C and 17.0 °C and averaged 12.2 °C. There was 0.7 mm of rain during 0.7 hours. There was 3.1 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 5 » Tupelo–Gainesville tornado outbreak: An F5 tornado kills 233 in Tupelo, Mississippi.
May 9 » Italy formally annexes Ethiopia after taking the capital Addis Ababa on May 5.
May 21 » Sada Abe is arrested after wandering the streets of Tokyo for days with her dead lover's severed genitals in her handbag. Her story soon becomes one of Japan's most notorious scandals.
June 28 » The Japanese puppet state of Mengjiang is formed in northern China.
August 9 » Summer Olympic Games: Games of the XI Olympiad: Jesse Owens wins his fourth gold medal at the games.
November 20 » José Antonio Primo de Rivera, founder of the Falange, is killed by a republican execution squad.
Day of death July 9, 1985
The temperature on July 9, 1985 was between 13.0 °C and 21.6 °C and averaged 16.7 °C. There was 0.4 mm of rain during 0.4 hours. There was 3.8 hours of sunshine (23%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 19 » William J. Schroeder becomes the first recipient of an artificial heart to leave the hospital.
April 19 » Two hundred ATF and FBI agents lay siege to the compound of the white supremacist survivalist group The Covenant, The Sword, and the Arm of the Lord in Arkansas; the CSA surrenders two days later.
August 23 » Hans Tiedge, top counter-spy of West Germany, defects to East Germany.
August 27 » The Nigerian government is peacefully overthrown by Army Chief of Staff Major General Ibrahim Babangida.
September 19 » A strong earthquake kills thousands and destroys about 400 buildings in Mexico City.
November 6 » In Colombia, leftist guerrillas of the 19th of April Movement seize control of the Palace of Justice in Bogotá.
When copying data from this family tree, please include a reference to the origin: Bert Grooten, "Family tree Grooten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grooten/I256.php : accessed February 12, 2026), "Harmke Grooten (1915-1985)".
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