January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
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.
August 6 » Sixty proof sheets of the Constitution of the United States are delivered to the Constitutional Convention in Philadelphia, Pennsylvania.
October 1 » Russians under Alexander Suvorov defeat the Turks at Kinburn.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 18 » New Jersey becomes the third state to ratify the U.S. Constitution.
Day of death August 12, 1864
The temperature on August 12, 1864 was about 17.6 °C. The air pressure was 3 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 58%. 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.
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.
September 7 » American Civil War: Atlanta is evacuated on orders of Union General William Tecumseh Sherman.
September 29 » American Civil War: The Battle of Chaffin's Farm is fought.
November 11 » American Civil War: General William Tecumseh Sherman begins burning Atlanta to the ground in preparation for his march to the sea.
November 25 » American Civil War: A group of Confederate operatives calling themselves the Confederate Army of Manhattan starts fires in more than 20 locations in an unsuccessful attempt to burn down New York City.
When copying data from this family tree, please include a reference to the origin: Frans Klomberg, "Family tree Klomberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-klomberg/I2829.php : accessed March 3, 2026), "Joannes Heymans (1787-1864)".
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