The temperature on December 31, 1870 was about -4.8 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. 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).
January 10 » John D. Rockefeller incorporates Standard Oil.
June 26 » The Christian holiday of Christmas is declared a federal holiday in the United States.
July 19 » Franco-Prussian War: France declares war on Prussia.
September 2 » Franco-Prussian War: Battle of Sedan: Prussian forces take Napoleon III of France and 100,000 of his soldiers prisoner.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
December 12 » Joseph H. Rainey of South Carolina becomes the second black U.S. congressman.
Day of death May 11, 1952
The temperature on May 11, 1952 was between 7.8 °C and 19.5 °C and averaged 13.7 °C. There was 1.4 mm of rain during 0.9 hours. There was 8.3 hours of sunshine (54%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 6 » Elizabeth II becomes Queen of the United Kingdom and her other Realms and Territories and Head of the Commonwealth upon the death of her father, George VI. At the exact moment of succession, she was in a tree house at the Treetops Hotel in Kenya.
March 20 » The US Senate ratifies the Security Treaty Between the United States and Japan.
May 2 » A De Havilland Comet makes the first jetliner flight with fare-paying passengers, from London to Johannesburg.
June 17 » Guatemala passes Decree 900, ordering the redistribution of uncultivated land.
September 6 » A prototype aircraft crashes at the Farnborough Airshow in Hampshire, England, killing 29 spectators and the two on board.
November 25 » Korean War: After 42 days of fighting, the Battle of Triangle Hill ends with Chinese victory, American and South Korean units abandon their attempt to capture the "Iron Triangle".
When copying data from this family tree, please include a reference to the origin: Jaap van der Werff, "Family tree Van der Werff / Kooistra", database, Genealogy Online (https://www.genealogieonline.nl/van-der-werff-stamboom/I511372.php : accessed January 31, 2026), "Froukje van der Zwaag (1870-1952)".
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