The temperature on September 18, 1861 was about 11.1 °C. There was 1 mm of rain. The air pressure was 0.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 93%. 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 10 » Jefferson Davis is notified by telegraph that he has been chosen as provisional President of the Confederate States of America.
February 18 » In Montgomery, Alabama, Jefferson Davis is inaugurated as the provisional President of the Confederate States of America.
April 19 » American Civil War: Baltimore riot of 1861: A pro-Secession mob in Baltimore attacks United States Army troops marching through the city.
May 13 » American Civil War: Queen Victoria of the United Kingdom issues a "proclamation of neutrality" which recognizes the Confederacy as having belligerent rights.
September 17 » Argentine Civil Wars: The State of Buenos Aires defeats the Argentine Confederation at the Battle of Pavón.
October 21 » American Civil War: Union forces under Colonel Edward Baker are defeated by Confederate troops in the second major battle of the war.
Day of marriage November 23, 1883
The temperature on November 23, 1883 was about 5.2 °C. There was 0.8 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 19 » The first electric lighting system employing overhead wires, built by Thomas Edison, begins service at Roselle, New Jersey.
March 20 » The Paris Convention for the Protection of Industrial Property is signed.
May 20 » Krakatoa begins to erupt; the volcano explodes three months later, killing more than 36,000 people.
May 24 » The Brooklyn Bridge in New York City is opened to traffic after 14 years of construction.
October 22 » Mödling and Hinterbrühl Tram, Vienna, Austria, first electric tram powered by overhead wire.
December 21 » The Royal Canadian Dragoons and The Royal Canadian Regiment, the first Permanent Force cavalry and infantry regiments of the Canadian Army, are formed.
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/I182096.php : accessed October 18, 2026), "Kornelis Arjens "Cornelius" Poelstra (1861-????)".
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