The temperature on April 29, 1870 was about 4.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
Day of death April 10, 1954
The temperature on April 10, 1954 was between 0.1 °C and 10.7 °C and averaged 5.6 °C. There was 11.5 hours of sunshine (85%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 15 » Canada and the United States agree to construct the Distant Early Warning Line, a system of radar stations in the far northern Arctic regions of Canada and Alaska.
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
July 7 » Elvis Presley makes his radio debut when WHBQ Memphis played his first recording for Sun Records, "That's All Right".
July 21 » First Indochina War: The Geneva Conference partitions Vietnam into North Vietnam and South Vietnam.
August 23 » First flight of the Lockheed C-130 multi-role aircraft.
December 2 » Cold War: The United States Senate votes 65 to 22 to censure Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute".
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I30129.php : accessed May 5, 2025), "Wiecher Ketelaar (1870-1954)".
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