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 27 » American Civil War: The first Northern prisoners arrive at the Confederate prison at Andersonville, Georgia.
April 22 » The U.S. Congress passes the Coinage Act of 1864 that mandates that the inscription In God We Trust be placed on all coins minted as United States currency.
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.
July 28 » American Civil War: Battle of Ezra Church: Confederate troops make a third unsuccessful attempt to drive Union forces from Atlanta, Georgia.
December 4 » American Civil War: Sherman's March to the Sea: At Waynesboro, Georgia, forces under Union General Judson Kilpatrick prevent troops led by Confederate General Joseph Wheeler from interfering with Union General William T. Sherman's campaign destroying a wide swath of the South on his march to the Atlantic Ocean from Atlanta.
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).
January 3 » Meiji Restoration in Japan: The Tokugawa shogunate is abolished; agents of Satsuma and Chōshū seize power.
March 8 » Sakai incident: Japanese samurai kill 11 French sailors in the port of Sakai, Osaka.
May 26 » The Impeachment of Andrew Johnson ends with his acquittal by one vote.
July 9 » The 14th Amendment to the United States Constitution is ratified, guaranteeing African Americans full citizenship and all persons in the United States due process of law.
November 3 » John Willis Menard (R-Louisiana) was the first African American elected to the United States Congress. Because of an electoral challenge, he was never seated.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
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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