The temperature on October 31, 1889 was about 9.1 °C. The air pressure was 18 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 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
July 11 » Tijuana, Mexico, is founded.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage April 6, 1911
The temperature on April 6, 1911 was between -4.7 °C and 4.9 °C and averaged -0.1 °C. There was 9.3 hours of sunshine (70%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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/I202816.php : accessed October 25, 2026), "Fokelina de Groot (1889-????)".
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