The temperature on January 24, 1862 was about 4.4 °C. There was 0.1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. Source: KNMI
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).
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
February 16 » American Civil War: General Ulysses S. Grant captures Fort Donelson, Tennessee.
June 7 » The United States and the United Kingdom agree in the Lyons–Seward Treaty to suppress the African slave trade.
July 18 » First ascent of Dent Blanche, one of the highest summits in the Alps.
August 9 » American Civil War: Battle of Cedar Mountain: At Cedar Mountain, Virginia, Confederate General Stonewall Jackson narrowly defeats Union forces under General John Pope.
September 4 » American Civil War Maryland Campaign: General Robert E. Lee takes the Army of Northern Virginia, and the war, into the North.
September 13 » American Civil War: Union soldiers find a copy of Robert E. Lee's battle plans in a field outside Frederick, Maryland. It is the prelude to the Battle of Antietam.
Day of death September 20, 1866
The temperature on September 20, 1866 was about 16.4 °C. The air pressure was 7.5 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
January 18 » Wesley College is established in Melbourne, Australia.
February 16 » Spencer Compton Cavendish, Marquess of Hartington becomes British Secretary of State for War.
February 21 » Lucy Hobbs Taylor becomes the first American woman to graduate from dental school.
April 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
July 24 » Reconstruction: Tennessee becomes the first U.S. state to be readmitted to the Union following the American Civil War.
July 25 » The United States Congress passes legislation authorizing the rank of General of the Army. Lieutenant General Ulysses S. Grant becomes the first to be promoted to this rank.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I4266.php : accessed February 15, 2026), "Gerardus Johannes Keijsper (1862-1866)".
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