The temperature on June 20, 1885 was about 17.4 °C. There was 3 mm of rain. The air pressure was 28 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 72%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 26 » Troops loyal to The Mahdi conquer Khartoum, killing the Governor-General Charles George Gordon.
February 18 » Adventures of Huckleberry Finn by Mark Twain is published in the United States.
March 19 » Louis Riel declares a provisional government in Saskatchewan, beginning the North-West Rebellion.
July 6 » Louis Pasteur successfully tests his vaccine against rabies on Joseph Meister, a boy who was bitten by a rabid dog.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
November 16 » Canadian rebel leader of the Métis and "Father of Manitoba" Louis Riel is executed for treason.
Day of death January 1, 1969
The temperature on January 1, 1969 was between -2.5 °C and 4.6 °C and averaged 2.4 °C. There was 2.3 mm of rain during 5.6 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 18 » United Airlines Flight 266 crashes into Santa Monica Bay killing all 32 passengers and six crew members.
March 19 » The 385-metre-tall (1,263ft) TV-mast at Emley Moor transmitting station, United Kingdom, collapses due to ice build-up.
April 3 » Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort.
June 23 » IBM announces that effective January 1970 it will price its software and services separately from hardware thus creating the modern software industry.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
December 8 » Olympic Airways Flight 954 strikes a mountain outside of Keratea, Greece, killing 90 people in the worst crash of a Douglas DC-6 in history.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I6196.php : accessed February 2, 2026), "Cornelia Antonia Christina Valk (1885-1969)".
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