The temperature on May 4, 1865 was about 22.1 °C. The air pressure was 3 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. 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.
April 1 » American Civil War: Union troops led by Philip Sheridan decisively defeat Confederate troops led by George Pickett, cutting the Army of Northern Virginia's last supply line.
April 4 » American Civil War: A day after Union forces capture Richmond, Virginia, U.S. President Abraham Lincoln visits the Confederate capital.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
May 1 » The Empire of Brazil, Argentina, and Uruguay sign the Treaty of the Triple Alliance.
June 28 » The Army of the Potomac is disbanded.
December 24 » Jonathan Shank and Barry Ownby form The Ku Klux Klan.
Day of marriage November 16, 1889
The temperature on November 16, 1889 was about 8.3 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 100%. Source: KNMI
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I51855.php : accessed January 19, 2026), "Jan Arkema (1865-1939)".
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