The temperature on March 1, 1861 was about 6.3 °C. There was 3 mm of rain. The air pressure was 20 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. 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.
March 3 » Alexander II of Russia signs the Emancipation Manifesto, freeing serfs.
April 29 » American Civil War: Maryland's House of Delegates votes not to secede from the Union.
May 13 » American Civil War: Queen Victoria of the United Kingdom issues a "proclamation of neutrality" which recognizes the Confederacy as having belligerent rights.
July 21 » American Civil War: First Battle of Bull Run: At Manassas Junction, Virginia, the first major battle of the war begins and ends in a victory for the Confederate army.
December 10 » Forces led by Nguyễn Trung Trực, an anti-colonial guerrilla leader in southern Vietnam, sink the French lorcha L'Esperance.
Day of marriage November 29, 1879
The temperature on November 29, 1879 was about -1.1 °C. There was 0.2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
March 29 » Anglo-Zulu War: Battle of Kambula: British forces defeat 20,000 Zulus.
April 5 » Chile declares war on Bolivia and Peru, starting the War of the Pacific.
May 14 » The first group of 463 Indian indentured laborers arrives in Fiji aboard the Leonidas.
July 4 » Anglo-Zulu War: The Zululand capital of Ulundi is captured by British troops and burned to the ground, ending the war and forcing King Cetshwayo to flee.
August 28 » Cetshwayo, last king of the Zulus, is captured by the British.
October 22 » Using a filament of carbonized thread, Thomas Edison tests the first practical electric incandescent light bulb (it lasts 13⁄2 hours before burning out).
Day of death February 1, 1884
The temperature on February 1, 1884 was about 9.1 °C. There was 4 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. 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.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I15833.php : accessed February 8, 2026), "Joannes Constant "Jean-Constant" (Joannes Constant "Jean-Constant") de Group (1861-1884)".
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