May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
Day of marriage July 15, 1925
The temperature on July 15, 1925 was between 12.2 °C and 25.5 °C and averaged 19.2 °C. There was 0.1 mm of rain. There was 11.7 hours of sunshine (72%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
January 30 » The Government of Turkey expels Patriarch Constantine VI from Istanbul.
March 16 » An earthquake occurs in Yunnan, China.
April 10 » The Great Gatsby by F. Scott Fitzgerald is first published in New York City, by Charles Scribner's Sons.
April 18 » The International Amateur Radio Union is formed in Paris.
May 5 » Scopes Trial: Serving of an arrest warrant on John T. Scopes for teaching evolution in violation of the Butler Act.
September 3 » USSShenandoah, the United States' first American-built rigid airship, was destroyed in a squall line over Noble County, Ohio. Fourteen of her 42-man crew perished, including her commander, Zachary Lansdowne.
Day of death June 9, 1983
The temperature on June 9, 1983 was between 12.8 °C and 21.5 °C and averaged 16.6 °C. There was -0.1 mm of rain. There was 7.3 hours of sunshine (44%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
June 13 » Pioneer 10 becomes the first man-made object to leave the central Solar System when it passes beyond the orbit of Neptune.
July 27 » Black July: Eighteen Tamil political prisoners at the Welikada high security prison in Colombo are massacred by Sinhalese prisoners, the second such massacre in two days.
September 15 » Israeli premier Menachem Begin resigns.
October 13 » Ameritech Mobile Communications launches the first US cellular network in Chicago.
November 17 » The Zapatista Army of National Liberation is founded in Mexico.
December 5 » Dissolution of the Military Junta in Argentina.
When copying data from this family tree, please include a reference to the origin: Rene Valk, "Family tree J + P Valk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-valk/I250.php : accessed February 7, 2026), "Pieternella Clasina Godefrida van PIETERSON (1896-1983)".
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