January 25 » The London Corresponding Society is founded.
February 20 » The Postal Service Act, establishing the United States Post Office Department, is signed by United States President George Washington.
March 29 » King Gustav III of Sweden dies after being shot in the back at a midnight masquerade ball at Stockholm's Royal Opera 13 days earlier. He is succeeded by Gustav IV Adolf.
June 4 » Captain George Vancouver claims Puget Sound for the Kingdom of Great Britain.
September 11 » The Hope Diamond is stolen along with other French crown jewels when six men break into the house where they are stored.
September 22 » Primidi Vendémiaire of year one of the French Republican Calendar as the French First Republic comes into being.
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 13 » American Civil War: Battle of Resaca: The battle begins with Union General Sherman fighting toward Atlanta.
May 29 » Emperor Maximilian I of Mexico arrives in Mexico for the first time.
May 31 » American Civil War: Overland Campaign: Battle of Cold Harbor: The Army of Northern Virginia engages the Army of the Potomac.
June 5 » American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.
October 28 » American Civil War: A Union attack on the Confederate capital is repulsed.
October 31 » Nevada is admitted as the 36th U.S. state.
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 February 25, 2026), "George Mifflin Dallas (1792-1864)".
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