The temperature on August 12, 1861 was about 28.4 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 57%. 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 10 » American Civil War: Florida becomes the third state to secede from the Union.
January 19 » American Civil War: Georgia joins South Carolina, Florida, Mississippi, and Alabama in declaring secession from the United States.
February 23 » President-elect Abraham Lincoln arrives secretly in Washington, D.C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.
May 13 » American Civil War: Queen Victoria of the United Kingdom issues a "proclamation of neutrality" which recognizes the Confederacy as having belligerent rights.
October 9 » American Civil War: Union troops repel a Confederate attempt to capture Fort Pickens.
October 21 » American Civil War: Union forces under Colonel Edward Baker are defeated by Confederate troops in the second major battle of the war.
Day of marriage January 20, 1886
The temperature on January 20, 1886 was about 0.4 °C. There was 4 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 98%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
April 8 » William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons.
May 8 » Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
November 30 » The Folies Bergère stages its first revue.
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/I227110.php : accessed January 10, 2026), "Petrus Antonius de Hoon (1861-????)".
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