The temperature on July 9, 1915 was between 11.8 °C and 19.6 °C and averaged 15.3 °C. There was 0.1 mm of rain. There was 7.5 hours of sunshine (45%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
March 20 » Albert Einstein publishes his general theory of relativity.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
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 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.
Day of death December 8, 1984
The temperature on December 8, 1984 was between -0.5 °C and 6.1 °C and averaged 3.5 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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.
March 16 » William Buckley, the CIA station chief in Lebanon, is kidnapped by Hezbollah. (He later dies in captivity.)
June 8 » Homosexuality is declared legal in the Australian state of New South Wales.
July 17 » The national drinking age in the United States was changed from 18 to 21.
October 16 » Desmond Tutu is awarded the Nobel Peace Prize.
November 19 » San Juanico disaster: A series of explosions at the Pemex petroleum storage facility at San Juan Ixhuatepec in Mexico City starts a major fire and kills about 500 people.
December 1 » NASA conducts the Controlled Impact Demonstration, wherein an airliner is deliberately crashed in order to test technologies and gather data to help improve survivability of crashes.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I5270.php : accessed May 1, 2025), "Johannes Nicolaas de Kock b2c6d5e4f3g1h5 (1915-1984)".
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