The temperature on November 1, 1889 was about 7.9 °C. There was 2 mm of rain. The air pressure was 16 kgf/m2 and came mainly from the south. The airpressure was 76 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.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of death December 20, 1959
The temperature on December 20, 1959 was between 7.0 °C and 11.4 °C and averaged 9.5 °C. There was 3.4 mm of rain during 2.6 hours. The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the south-southwest. Source: KNMI
February 6 » Jack Kilby of Texas Instruments files the first patent for an integrated circuit.
February 11 » The Federation of Arab Emirates of the South is created as a protectorate of the United Kingdom.
February 17 » Project Vanguard: Vanguard 2: The first weather satellite is launched to measure cloud-cover distribution.
March 31 » The 14th Dalai Lama, crosses the border into India and is granted political asylum.
May 30 » The Auckland Harbour Bridge, crossing the Waitematā Harbour in Auckland, New Zealand, is officially opened by Governor-General Charles Lyttelton, 10th Viscount Cobham.
August 3 » Portugal's state police force PIDE fires upon striking workers in Bissau, Portuguese Guinea, killing over 50 people.
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/I92382.php : accessed October 23, 2026), "Johannes van Helvoirt (1889-1959)".
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