The temperature on May 21, 1864 was about 16.6 °C. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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 20 » American Civil War: Battle of Ware Bottom Church: In the Virginia Bermuda Hundred campaign, 10,000 troops fight in this Confederate victory.
July 11 » American Civil War: Battle of Fort Stevens; Confederate forces attempt to invade Washington, D.C.
July 30 » American Civil War: Battle of the Crater: Union forces attempt to break Confederate lines at Petersburg, Virginia by exploding a large bomb under their trenches.
August 17 » American Civil War: Battle of Gainesville: Confederate forces defeat Union troops near Gainesville, Florida.
October 31 » Nevada is admitted as the 36th U.S. state.
November 29 » American Indian Wars: Sand Creek massacre: Colorado volunteers led by Colonel John Chivington massacre at least 150 Cheyenne and Arapaho noncombatants inside Colorado Territory.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P6680.php : accessed January 3, 2026), "William Henry Donner (1864-1953)".
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