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.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
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.
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.
April 6 » Members of Cameroon's Republican Guard unsuccessfully attempt to overthrow the government headed by Paul Biya.
April 19 » Advance Australia Fair is proclaimed as Australia's national anthem, and green and gold as the national colours.
June 8 » Homosexuality is declared legal in the Australian state of New South Wales.
July 18 » McDonald's massacre in San Ysidro, California: In a fast-food restaurant, James Oliver Huberty opens fire, killing 21 people and injuring 19 others before being shot dead by police.
August 30 » STS-41-D: The Space Shuttle Discovery takes off on its maiden voyage.
December 3 » Bhopal disaster: A methyl isocyanate leak from a Union Carbide pesticide plant in Bhopal, India, kills more than 3,800 people outright and injures 150,000–600,000 others (some 6,000 of whom would later die from their injuries) in one of the worst industrial disasters in history.
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 24, 2026), "Johannes Nicolaas de Kock b2c6d5e4f3g1h5 (1915-1984)".
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