The temperature on July 9, 1915 was between 11.1 °C and 19.1 °C and averaged 15.1 °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.
March 20 » Albert Einstein publishes his general theory of relativity.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
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.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
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.
April 4 » President Ronald Reagan calls for an international ban on chemical weapons.
May 6 » One hundred three Korean Martyrs are canonized by Pope John Paul II in Seoul.
June 5 » Operation Blue Star: Under orders from India's prime minister, Indira Gandhi, the Indian Army begins an invasion of the Golden Temple, the holiest site of the Sikh religion.
June 22 » Virgin Atlantic launches with its first flight from London to Newark.
September 7 » An explosion on board a Maltese patrol boat disposing of illegal fireworks at sea off Gozo kills seven soldiers and policemen.
December 23 » After experiencing an engine fire, Aeroflot Flight 3519 attempts to make an emergency landing at Krasnoyarsk International Airport but crashes, killing 110 of the 111 people on board.
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 January 30, 2026), "Johannes Nicolaas de Kock b2c6d5e4f3g1h5 (1915-1984)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.