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.
February 13 » Thomas Edison observes Thermionic emission.
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
September 16 » The Cornell Daily Sun prints its first issue in Ithaca, New York. The Sun is the United States' oldest, continuously-independent college daily.
November 11 » Australian bushranger Ned Kelly is hanged at Melbourne Gaol.
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 5 » The Venera 5 space probe is launched at 06:28:08 UTC from Baikonur.
January 18 » United Airlines Flight 266 crashes into Santa Monica Bay killing all 32 passengers and six crew members.
January 25 » Brazilian Army captain Carlos Lamarca deserts in order to fight against the military dictatorship, taking with him ten machine guns and 63 rifles.
April 4 » Dr. Denton Cooley implants the first temporary artificial heart.
July 19 » Chappaquiddick incident: U.S. Senator Ted Kennedy crashes his car into a tidal pond at Chappaquiddick Island, Massachusetts, killing his passenger Mary Jo Kopechne.
August 8 » At a zebra crossing in London, photographer Iain Macmillan takes the iconic photo that becomes the cover image of the Beatles' album Abbey Road.
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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