The temperature on January 24, 1890 was about 6.5 °C. The air pressure was 3 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 88%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 27 » Vincent van Gogh shoots himself and dies two days later.
September 12 » Salisbury, Rhodesia, is founded.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of death March 6, 1911
The temperature on March 6, 1911 was between -0.6 °C and 7.7 °C and averaged 3.2 °C. There was 4.6 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 26 » Glenn Curtiss flies the first successful American seaplane.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
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/I60681.php : accessed February 17, 2026), "Hendrik Hopperus (1890-1911)".
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