The temperature on January 24, 1885 was about -3.5 °C. The air pressure was 2 kgf/m2 and came mainly from the east. The airpressure was 77 cm mercury. The atmospheric humidity was 80%. 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.
March 3 » The American Telephone & Telegraph Company is incorporated in New York.
March 30 » The Battle for Kushka triggers the Panjdeh Incident which nearly gives rise to war between the Russian and British Empire.
April 24 » American sharpshooter Annie Oakley is hired by Nate Salsbury to be a part of Buffalo Bill's Wild West.
July 1 » The Congo Free State is established by King Leopold II of Belgium.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
November 28 » Bulgarian victory in the Serbo-Bulgarian War preserves the Unification of Bulgaria.
Day of death October 11, 1968
The temperature on October 11, 1968 was between 12.7 °C and 17.3 °C and averaged 14.6 °C. There was 7.8 mm of rain during 4.4 hours. There was 0.3 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
July 1 » The Treaty on the Non-Proliferation of Nuclear Weapons is signed in Washington, D.C., London and Moscow by sixty-two countries.
September 11 » Air France Flight 1611 crashes off Nice, France, killing 89 passengers and six crew.
September 15 » The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere.
September 30 » The Boeing 747 is rolled out and shown to the public for the first time.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
December 24 » Apollo program: The crew of Apollo 8 enters into orbit around the Moon, becoming the first humans to do so. They performed ten lunar orbits and broadcast live TV pictures.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I8376.php : accessed September 28, 2026), "Herke de Groot (1885-1968)".
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