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.
February 17 » The victorious Prussian Army parades through Paris, France, after the end of the Siege of Paris during the Franco-Prussian War.
March 21 » Journalist Henry Morton Stanley begins his trek to find the missionary and explorer David Livingstone.
March 28 » The Paris Commune is formally established in Paris.
March 29 » Royal Albert Hall is opened by Queen Victoria.
July 2 » Victor Emmanuel II of Italy enters Rome after having conquered it from the Papal States.
September 28 » The Brazilian Parliament passes a law that frees all children thereafter born to slaves, and all government-owned slaves.
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).
January 5 » The Palais Garnier, one of the most famous opera houses in the world, is inaugurated in Paris.
February 24 » The SSGothenburg hits the Great Barrier Reef and sinks off the Australian east coast, killing approximately 100, including a number of high-profile civil servants and dignitaries.
March 3 » Georges Bizet's opera Carmen receives its première at the Opéra-Comique in Paris.
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
June 19 » The Herzegovinian rebellion against the Ottoman Empire begins.
August 22 » The Treaty of Saint Petersburg between Japan and Russia is ratified, providing for the exchange of Sakhalin for the Kuril Islands.
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 January 6, 2026), "Jan Pomper (1871-1875)".
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