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.
April 30 » A 65-man French Foreign Legion infantry patrol fights a force of nearly 2,000 Mexican soldiers to nearly the last man in Hacienda Camarón, Mexico.
June 17 » American Civil War: Battle of Aldie in the Gettysburg Campaign.
July 1 » American Civil War: The Battle of Gettysburg begins.
August 4 » Matica slovenská, Slovakia's public-law cultural and scientific institution focusing on topics around the Slovak nation, is established in Martin.
September 6 » American Civil War: Confederate forces evacuate Battery Wagner and Morris Island in South Carolina.
November 18 » King Christian IX of Denmark signs the November constitution that declares Schleswig to be part of Denmark. This is seen by the German Confederation as a violation of the London Protocol and leads to the German–Danish war of 1864.
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/I257748.php : accessed February 11, 2026), "Johannes Franciscus Mertens (-1863)".
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