February 12 » Gustav III becomes the King of Sweden.
May 16 » The Battle of Alamance, a pre-American Revolutionary War battle between local militia and a group of rebels called The "Regulators", occurs in present-day Alamance County, North Carolina.
July 14 » Foundation of the Mission San Antonio de Padua in modern California by the Franciscan friar Junípero Serra.
July 17 » Bloody Falls massacre: Chipewyan chief Matonabbee, traveling as the guide to Samuel Hearne on his Arctic overland journey, massacres a group of unsuspecting Inuit.
October 17 » Premiere in Milan of the opera Ascanio in Alba, composed by Mozart at age 15.
Day of death September 19, 1864
The temperature on September 19, 1864 was about 13.8 °C. There was 1 mm of rain. The air pressure was 3.5 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. 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 29 » Theta Xi fraternity is founded at Rensselaer Polytechnic Institute, the only fraternity to be founded during the American Civil War.
July 8 » Ikedaya Incident: The Choshu Han shishi's planned Shinsengumi sabotage on Kyoto, Japan at Ikedaya.
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.
September 29 » The Treaty of Lisbon defines the boundaries between Spain and Portugal and abolishes the Couto Misto microstate.
October 9 » American Civil War: Union cavalrymen defeat Confederate forces at Toms Brook, Virginia.
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/P14762.php : accessed January 6, 2026), "Clarissa Leonard (1771-1864)".
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