The temperature on April 12, 1871 was about 11.7 °C. There was 2 mm of rain. The air pressure was 11 kgf/m2 and came mainly from the south-southwest. The atmospheric humidity was 90%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 18 » Wilhelm I of Germany is proclaimed Kaiser Wilhelm in the Hall of Mirrors of the Palace of Versailles (France) towards the end of the Franco-Prussian War. Wilhelm already had the title of German Emperor since the constitution of 1 January 1871, but he had hesitated to accept the title.
March 18 » Declaration of the Paris Commune; President of the French Republic, Adolphe Thiers, orders the evacuation of Paris.
September 20 » Bishop John Coleridge Patteson, first bishop of Melanesia, is martyred on Nukapu, now in the Solomon Islands.
October 8 » The Great Chicago Fire and the much deadlier Peshtigo Fire break out.
November 10 » Henry Morton Stanley locates missing explorer and missionary, Dr David Livingstone in Ujiji, near Lake Tanganyika, famously greeting him with the words, "Dr. Livingstone, I presume?".
November 16 » The National Rifle Association receives its charter from New York State.
Day of marriage January 17, 1901
The temperature on January 17, 1901 was between -2.4 °C and 6.5 °C and averaged 1.8 °C. There was 2.1 hours of sunshine (25%). Source: KNMI
February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
February 20 » The legislature of Hawaii Territory convenes for the first time.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
November 27 » The U.S. Army War College is established.
Day of death June 21, 1962
The temperature on June 21, 1962 was between 14.8 °C and 19.0 °C and averaged 16.4 °C. There was 0.8 hours of sunshine (5%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P15460.php : accessed January 4, 2026), "Alta Rockefeller (1871-1962)".
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