The temperature on July 27, 1870 was about 26.3 °C. The air pressure was 4 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 62%. 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).
June 22 » The United States Department of Justice is created by the U.S. Congress.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
July 19 » Franco-Prussian War: France declares war on Prussia.
September 18 » Old Faithful Geyser is observed and named by Henry D. Washburn.
October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
Day of death March 17, 1943
The temperature on March 17, 1943 was between -1.1 °C and 15.4 °C and averaged 7.2 °C. There was 8.2 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 19 » Albert Hofmann deliberately doses himself with LSD for the first time, three days after having discovered its effects on April 16.
August 1 » World War II: Operation Tidal Wave also known as "Black Sunday", was a failed American attempt to destroy Romanian oil fields.
August 17 » World War II: The Royal Air Force begins Operation Hydra, the first air raid of the Operation Crossbow strategic bombing campaign against Germany's V-weapon program.
August 29 » World War II: German-occupied Denmark scuttles most of its navy; Germany dissolves the Danish government.
November 16 » World War II: American bombers strike a hydro-electric power facility and heavy water factory in German-controlled Vemork, Norway.
December 28 » Soviet authorities launch Operation Ulussy, beginning the deportation of the Kalmyk nation to Siberia and Central Asia.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I37406.php : accessed October 7, 2026), "Johanna Postma (1870-1943)".
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