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.
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.
May 4 » The National Association, the first professional baseball league, opens its first season in Fort Wayne, Indiana.
June 16 » The Universities Tests Act 1871 allows students to enter the universities of Oxford, Cambridge and Durham without religious tests (except for those intending to study theology).
July 2 » Victor Emmanuel II of Italy enters Rome after having conquered it from the Papal States.
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?".
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I10436.php : accessed December 26, 2025), "Joanna Maria van Trichtveldt".
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