The temperature on May 15, 1864 was about 14.3 °C. The air pressure was 0.5 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 75%. 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.
May 12 » American Civil War: The Battle of Spotsylvania Court House: Union troops assault a Confederate salient known as the "Mule Shoe", with the fiercest fighting of the war, much of it hand-to-hand combat, occurring at "the Bloody Angle" on the northwest.
May 21 » American Civil War: The Battle of Spotsylvania Court House ends.
August 10 » After Uruguay's governing Blanco Party refuses Brazil's demands, José Antônio Saraiva announces that the Brazilian military will begin reprisals, beginning the Uruguayan War.
October 19 » American Civil War: Confederate agents based in Canada rob three banks in Saint Albans, Vermont.
November 25 » American Civil War: A group of Confederate operatives calling themselves the Confederate Army of Manhattan starts fires in more than 20 locations in an unsuccessful attempt to burn down New York City.
December 8 » Pope Pius IX promulgates the encyclical Quanta cura and its appendix, the Syllabus of Errors, outlining the authority of the Catholic Church and condemning various liberal ideas.
Day of marriage April 19, 1894
The temperature on April 19, 1894 was about 12.0 °C. There was 6 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
February 7 » The Cripple Creek miner's strike, led by the Western Federation of Miners, begins in Cripple Creek, Colorado, United States.
March 25 » Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington, D.C.
April 21 » Norway formally adopts the Krag–Jørgensen bolt-action rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.
May 11 » Four thousand Pullman Palace Car Company workers go on a wildcat strike.
May 21 » The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.
August 1 » The First Sino-Japanese War erupts between Japan and China over Korea.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I604113.php : accessed January 26, 2026), "Petrus Alphonsus Bollens (1864-????)".
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