The temperature on August 31, 1861 was about 18.2 °C. The air pressure was 2.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 59%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
February 4 » American Civil War: In Montgomery, Alabama, delegates from six break-away U.S. states meet and form the Confederate States of America.
February 18 » In Montgomery, Alabama, Jefferson Davis is inaugurated as the provisional President of the Confederate States of America.
February 18 » With Italian unification almost complete, Victor Emmanuel II of Piedmont, Savoy and Sardinia assumes the title of King of Italy.
April 20 » American Civil War: Robert E. Lee resigns his commission in the United States Army in order to command the forces of the state of Virginia.
November 1 » American Civil War: U.S. President Abraham Lincoln appoints George B. McClellan as the commander of the Union Army, replacing General Winfield Scott.
December 21 » Medal of Honor: Public Resolution 82, containing a provision for a Navy Medal of Valor, is signed into law by President Abraham Lincoln.
Day of marriage February 28, 1889
The temperature on February 28, 1889 was about -1.5 °C. The air pressure was 6 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. Source: KNMI
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death September 11, 1937
The temperature on September 11, 1937 was between 6.2 °C and 17.9 °C and averaged 12.7 °C. There was 0.3 mm of rain during 0.2 hours. There was 9.1 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
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/I168146.php : accessed October 21, 2026), "Johannes Pijnacker (1861-1937)".
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