The temperature on November 13, 1890 was about 6.5 °C. There was 7 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. Source: KNMI
July 1 » Canada and Bermuda are linked by telegraph cable.
July 27 » Vincent van Gogh shoots himself and dies two days later.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
August 7 » Anna Månsdotter became the last woman to be executed in Sweden for the 1889 Yngsjö murder.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of death July 18, 1961
The temperature on July 18, 1961 was between 12.6 °C and 20.5 °C and averaged 15.6 °C. There was 0.5 mm of rain during 2.0 hours. There was 6.4 hours of sunshine (40%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
January 17 » Former Congolese Prime Minister Patrice Lumumba is murdered in circumstances suggesting the support and complicity of the governments of Belgium and the United States.
May 14 » Civil rights movement: A white mob twice attacks a Freedom Riders bus near Anniston, Alabama, before fire-bombing the bus and attacking the civil rights protesters who flee the burning vehicle.
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.
November 18 » United States President John F. Kennedy sends 18,000 military advisors to South Vietnam.
December 9 » Tanganyika becomes independent from Britain.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I510609.php : accessed March 6, 2026), "Hendrik Koertzen Pretorius (1890-1961)".
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