The temperature on May 15, 1871 was about 5.6 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The atmospheric humidity was 88%. 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.
March 26 » The elections of Commune council of the Paris Commune are held.
April 1 » The 3rd Duke of Buckingham opened the Brill Tramway, a short railway line to transport goods between his lands and the national rail network.
April 30 » The Camp Grant massacre takes place in Arizona Territory.
May 21 » Opening of the first rack railway in Europe, the Rigi Bahnen on Mount Rigi.
October 10 » Chicago burns after a barn accident. The fire lasts from October 8–10.
October 24 » An estimated 17 to 20 Chinese immigrants are lynched in Los Angeles, California.
Day of death July 25, 1875
The temperature on July 25, 1875 was about 20.6 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I1942.php : accessed February 22, 2026), "Jan Pomper (1871-1875)".
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