Noord-Hollands Archief te Haarlem, BS Geboorte burgerlijke stand van de gemeente Haarlemmermeer, Archiefdeel van (dubbele) registers van de, Haarlemmermeer, archief 358.48, inventarisnummer 11890, 11-06-1890, Geboorteakten van de gemeente Haarlemmermeer, 1890, aktenummer 289
Regionaal Archief Alkmaar te Alkmaar, BS Overlijden Burgerlijke Stand Alkmaar, Bron: Overlijden, Deel: 110, Periode: 1961, Alkmaar, archief 10.1.2.125, inventarisnummer 110, 8 januari 1961, Overlijden, aktenummer 18
The temperature on June 11, 1890 was about 16.1 °C. There was 3 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 75%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 1 » Canada and Bermuda are linked by telegraph cable.
July 3 » Idaho is admitted as the 43rd U.S. state.
July 10 » Wyoming is admitted as the 44th U.S. state.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
Day of death January 8, 1961
The temperature on January 8, 1961 was between 2.8 °C and 7.0 °C and averaged 4.8 °C. There was 5.2 mm of rain during 5.3 hours. There was 0.7 hours of sunshine (9%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
March 14 » A USAF B-52 bomber crashes near near Yuba City, California whilst carrying nuclear weapons.
April 8 » A large explosion on board the MVDara in the Persian Gulf kills 238.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
August 11 » The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.
October 27 » NASA tests the first Saturn I rocket in Mission Saturn-Apollo 1.
When copying data from this family tree, please include a reference to the origin: H. J. Otten, "Otten family tree", database, Genealogy Online (https://www.genealogieonline.nl/otten-stamboom/I1791.php : accessed February 15, 2026), "Jacoba Geertruida van Keulen (1890-1961)".
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