The temperature on February 1, 1889 was about 9.3 °C. There was 1 mm of rain. The air pressure was 48 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
February 11 » Meiji Constitution of Japan is adopted.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of death April 22, 1962
The temperature on April 22, 1962 was between 6.8 °C and 14.8 °C and averaged 12.1 °C. There was 4.6 mm of rain during 3.7 hours. There was 6.5 hours of sunshine (45%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 10 » Roy Lichtenstein's first solo exhibition opened, and it included Look Mickey, which featured his first employment of Ben-Day dots, speech balloons and comic imagery sourcing, all of which he is now known for.
March 29 » Arturo Frondizi, the president of Argentina, is overthrown in a military coup by Argentina's armed forces, ending an 11⁄2 day constitutional crisis.
May 10 » Marvel Comics publishes the first issue of The Incredible Hulk.
June 1 » Adolf Eichmann is hanged in Israel.
August 7 » Canadian-born American pharmacologist Frances Oldham Kelsey awarded the U.S. President's Award for Distinguished Federal Civilian Service for her refusal to authorize thalidomide.
September 27 » The Yemen Arab Republic is established.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I1783.php : accessed February 2, 2026), "hendrik jan koers (1889-1962)".
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