The temperature on May 9, 1863 was about 21.0 °C. The air pressure was 2 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 22%. 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.
January 22 » The January Uprising breaks out in Poland, Lithuania and Belarus. The aim of the national movement is to regain Polish–Lithuanian–Ruthenian Commonwealth from occupation by Russia.
February 24 » Arizona is organized as a United States territory.
June 14 » Second Assault on the Confederate works at the Siege of Port Hudson during the American Civil War.
August 4 » Matica slovenská, Slovakia's public-law cultural and scientific institution focusing on topics around the Slovak nation, is established in Martin.
October 14 » American Civil War: Confederate troops under the command of A. P. Hill fail to drive the Union Army completely out of Virginia.
November 19 » American Civil War: U.S. President Abraham Lincoln delivers the Gettysburg Address at the dedication ceremony for the military cemetery at Gettysburg, Pennsylvania.
When copying data from this family tree, please include a reference to the origin: L. Vlastra, "Family tree Vlastra", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vlastra/I55352.php : accessed February 17, 2026), "Jan Vroom (1837-????)".
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