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
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 3 » Idaho is admitted as the 43rd U.S. state.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
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 24 » Goldsboro B-52 crash: A bomber carrying two H-bombs breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
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.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
August 15 » Border guard Conrad Schumann flees from East Germany while on duty guarding the construction of the Berlin Wall.
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 February 14, 2026), "Hendrik Koertzen Pretorius (1890-1961)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.