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 9 » American Civil War: Jefferson Davis is elected the Provisional President of the Confederate States of America by the Confederate convention at Montgomery, Alabama.
March 17 » The Kingdom of Italy is proclaimed.
April 17 » The state of Virginia's secession convention votes to secede from the United States, later becoming the eighth state to join the Confederate States of America.
May 13 » The Great Comet of 1861 is discovered by John Tebbutt of Windsor, New South Wales, Australia.
October 21 » American Civil War: Union forces under Colonel Edward Baker are defeated by Confederate troops in the second major battle of the war.
November 20 » American Civil War: A secession ordinance is filed by Kentucky's Confederate government.
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
January 22 » Columbia Phonograph is formed in Washington, D.C.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
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 23, 2026), "Johannes Pijnacker (1861-1937)".
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