The temperature on June 10, 1870 was about 16.0 °C. The air pressure was 14 kgf/m2 and came mainly from the west. The airpressure was 75 cm mercury. The atmospheric humidity was 50%. 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).
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
August 2 » Tower Subway, the world's first underground tube railway, opens in London, England, United Kingdom.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
August 24 » The Wolseley expedition reaches Manitoba to end the Red River Rebellion.
September 19 » Franco-Prussian War: The siege of Paris begins. The city will hold out for over four months before surrendering.
Day of death June 15, 1921
The temperature on June 15, 1921 was between 5.0 °C and 19.1 °C and averaged 13.6 °C. There was 1.7 hours of sunshine (10%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
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/P16323.php : accessed January 22, 2026), "Helen Josephine Fanning (1870-1921)".
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