The temperature on February 14, 1863 was about 6.2 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 78 cm mercury. The atmospheric humidity was 56%. 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.
February 17 » A group of citizens of Geneva founded an International Committee for Relief to the Wounded, which later became known as the International Committee of the Red Cross.
May 1 » American Civil War: The Battle of Chancellorsville begins.
July 1 » Keti Koti (Emancipation Day) in Suriname, marking the abolition of slavery by the Netherlands.
July 9 » American Civil War: The Siege of Port Hudson ends, giving the Union complete control of the Mississippi River.
July 30 » American Indian Wars: Representatives of the United States and tribal leaders including Chief Pocatello (of the Shoshone) sign the Treaty of Box Elder.
November 27 » American Civil War: Confederate cavalry leader John Hunt Morgan and several of his men escape the Ohio Penitentiary and return safely to the South.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I454298.php : accessed January 18, 2026), "Matheus-joannas de Groot (1863-????)".
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