The temperature on February 9, 1861 was about 10.8 °C. The air pressure was 0.5 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 60%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
January 29 » Kansas is admitted as the 34th U.S. state.
March 17 » The Kingdom of Italy is proclaimed.
May 6 » American Civil War: Arkansas secedes from the Union.
August 5 » American Civil War: In order to help pay for the war effort, the United States government levies the first income tax as part of the Revenue Act of 1861 (3% of all incomes over US$800; rescinded in 1872).
August 6 » Britain imposes the Lagos Treaty of Cession to suppress slavery in what is now Nigeria.
August 28 » American Civil War: Union forces attack Cape Hatteras, North Carolina in the Battle of Hatteras Inlet Batteries which lasts for two days.
When copying data from this family tree, please include a reference to the origin: Wim van Giessen, "Family tree Van Giessen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-giessen/I3456.php : accessed January 20, 2026), "Everardus Johannes van Hertum (1861-????)".
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