The temperature on June 20, 1871 was about 11.6 °C. There was 2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. 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 28 » Franco-Prussian War: The Siege of Paris ends in French defeat and an armistice.
March 21 » Otto von Bismarck is appointed as the first Chancellor of the German Empire.
March 22 » In North Carolina, William Woods Holden becomes the first governor of a U.S. state to be removed from office by impeachment.
March 26 » The elections of Commune council of the Paris Commune are held.
November 16 » The National Rifle Association receives its charter from New York State.
December 26 » Thespis, the first Gilbert and Sullivan collaboration, debuts. It does modestly well, but the two would not collaborate again for four years and the score has been lost.
Day of marriage February 7, 1895
The temperature on February 7, 1895 was about -12.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death February 2, 1954
The temperature on February 2, 1954 was between -12.9 °C and -4.3 °C and averaged -9.3 °C. There was 6.8 hours of sunshine (74%). The almost cloudless was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I11265.php : accessed February 18, 2026), "Jan Jakob Welp (1871-1954)".
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