May 25 » After a delay of 11 days, the United States Constitutional Convention formally convenes in Philadelphia after a quorum of seven states is secured.
June 20 » Oliver Ellsworth moves at the Federal Convention to call the government the 'United States'.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
December 18 » New Jersey becomes the third state to ratify the U.S. Constitution.
Day of death May 15, 1864
The temperature on May 15, 1864 was about 14.3 °C. The air pressure was 0.5 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 75%. 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.
February 1 » Second Schleswig War: Prussian forces crossed the border into Schleswig, starting the war.
February 17 » American Civil War: The H. L. Hunley becomes the first submarine to engage and sink a warship, the USSHousatonic.
August 22 » Twelve nations sign the First Geneva Convention, establishing the rules of protection of the victims of armed conflicts.
August 23 » American Civil War: The Union Navy captures Fort Morgan, Alabama, thus breaking Confederate dominance of all ports on the Gulf of Mexico except Galveston, Texas.
October 9 » American Civil War: Union cavalrymen defeat Confederate forces at Toms Brook, Virginia.
October 19 » American Civil War: The Battle of Cedar Creek ends the last Confederate threat to Washington, DC.
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/P8907.php : accessed December 30, 2025), "Sally Williams (1787-1864)".
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