The temperature on April 30, 1864 was about 11.6 °C. The air pressure was 10 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 46%. 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.
May 21 » The Ionian Islands reunite with Greece.
June 15 » American Civil War: The Second Battle of Petersburg begins.
October 19 » American Civil War: Confederate agents based in Canada rob three banks in Saint Albans, Vermont.
November 30 » American Civil War: The Confederate Army of Tennessee suffers heavy losses in an attack on the Union Army of the Ohio in the Battle of Franklin.
December 15 » American Civil War: Battle of Nashville: The Union's Army of the Cumberland routs and destroys the Confederacy's Army of Tennessee, ending its effectiveness as a combat unit.
Day of death February 27, 1868
The temperature on February 27, 1868 was about 8.3 °C. The air pressure was 9 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I6633.php : accessed February 28, 2026), "Helena Dam (1864-1868)".
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