The temperature on February 17, 1880 was about 8.9 °C. There was 2 mm of rain. The air pressure was 18 kgf/m2 and came mainly from the south-southeast. The airpressure was 74 cm mercury. The atmospheric humidity was 86%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
January 27 » Thomas Edison receives a patent for his incandescent lamp.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of death July 23, 1969
The temperature on July 23, 1969 was between 15.0 °C and 31.1 °C and averaged 24.1 °C. There was 11.8 hours of sunshine (74%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 12 » The New York Jets of the American Football League defeat the Baltimore Colts of the National Football League to win Super Bowl III in what is considered to be one of the greatest upsets in sports history.
March 10 » In Memphis, Tennessee, James Earl Ray pleads guilty to assassinating Martin Luther King, Jr. He later unsuccessfully attempts to recant.
June 23 » Warren E. Burger is sworn in as Chief Justice of the United States Supreme Court by retiring Chief Justice Earl Warren.
September 9 » In Canada, the Official Languages Act comes into force, making French equal to English throughout the Federal government.
September 25 » The charter establishing the Organisation of Islamic Cooperation is signed.
October 8 » The opening rally of the Days of Rage occurs, organized by the Weather Underground in Chicago.
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/I6606.php : accessed January 21, 2026), "Pieter Hendrik Rudolph du Plooy (1880-1969)".
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