The temperature on December 5, 1863 was about 6.2 °C. The air pressure was 10 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 94%. 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.
May 14 » American Civil War: The Battle of Jackson takes place.
May 27 » American Civil War: First Assault on the Confederate works at the Siege of Port Hudson.
July 4 » American Civil War: The Army of Northern Virginia withdraws from the battlefield after losing the Battle of Gettysburg, signalling an end to the Confederate invasion of U.S. territory.
September 9 » American Civil War: The Union Army enters Chattanooga, Tennessee.
October 29 » Eighteen countries meet in Geneva and agree to form the International Red Cross.
November 23 » American Civil War: Battle of Chattanooga begins: Union forces led by General Ulysses S. Grant reinforce troops at Chattanooga, Tennessee, and counter-attack Confederate troops.
When copying data from this family tree, please include a reference to the origin: Jaap van der Werff, "Family tree Van der Werff / Kooistra", database, Genealogy Online (https://www.genealogieonline.nl/van-der-werff-stamboom/I514548.php : accessed February 18, 2026), "Klaas Posthuma (1863-????)".
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