The temperature on April 9, 1889 was about 12.2 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 64%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 11 » Tijuana, Mexico, is founded.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
Day of marriage April 16, 1912
The temperature on April 16, 1912 was between 1.5 °C and 13.7 °C and averaged 8.7 °C. There was 12.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Dik Krijgsman, "Descendants Jan Blom (ca.1710)", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-jan-blom/I17480.php : accessed September 21, 2024), "Frederika Wilhelmina Nieuwhof (1889-????)".
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