April 20 » France declares war against the "King of Hungary and Bohemia", the beginning of French Revolutionary Wars.
April 25 » Highwayman Nicolas J. Pelletier becomes the first person executed by guillotine.
May 11 » Robert Gray commands the first expedition to sail into the Columbia River.
June 4 » Captain George Vancouver claims Puget Sound for the Kingdom of Great Britain.
July 25 » The Brunswick Manifesto is issued to the population of Paris promising vengeance if the French royal family is harmed.
September 20 » French troops stop an allied invasion of France at the Battle of Valmy.
Day of death December 31, 1864
The temperature on December 31, 1864 was about -1.5 °C. There was 0.1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 100%. 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 22 » American Civil War: After ten weeks, the Union Army's Red River Campaign ends in failure.
May 31 » American Civil War: Overland Campaign: Battle of Cold Harbor: The Army of Northern Virginia engages the Army of the Potomac.
June 15 » American Civil War: The Second Battle of Petersburg begins.
June 21 » American Civil War: The Battle of Jerusalem Plank Road begins.
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.
November 30 » American Civil War: The Confederate Army of Tennessee suffers heavy losses in an attack on the Union Army of the Ohio in the Battle of Franklin.
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/P12748.php : accessed January 6, 2026), "George Mifflin Dallas (1792-1864)".
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