The temperature on May 12, 1864 was about 21.7 °C. The air pressure was 12 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 37%. 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 1 » Second Schleswig War: Prussian forces crossed the border into Schleswig, starting the war.
February 29 » American Civil War: Kilpatrick–Dahlgren Raid fails: Plans to free 15,000 Union soldiers being held near Richmond, Virginia are thwarted.
April 29 » Theta Xi fraternity is founded at Rensselaer Polytechnic Institute, the only fraternity to be founded during the American Civil War.
May 31 » American Civil War: Overland Campaign: Battle of Cold Harbor: The Army of Northern Virginia engages the Army of the Potomac.
June 15 » American Civil War: The Second Battle of Petersburg begins.
November 25 » American Civil War: A group of Confederate operatives calling themselves the Confederate Army of Manhattan starts fires in more than 20 locations in an unsuccessful attempt to burn down New York City.
When copying data from this family tree, please include a reference to the origin: Han Eman, "Family tree Eman/Swart-Radstok/Attevelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eman/I3277.php : accessed March 16, 2026), "Jan Fredrik Arbous (1838-????)".
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