January 7 » Frenchman Jean-Pierre Blanchard and American John Jeffries travel from Dover, England, to Calais, France, in a gas balloon.
January 20 » Invading Siamese forces attempt to exploit the political chaos in Vietnam, but are ambushed and annihilated at the Mekong river by the Tây Sơn in the Battle of Rạch Gầm-Xoài Mút.
January 27 » The University of Georgia is founded, the first public university in the United States.
November 28 » The first Treaty of Hopewell is signed, by which the United States acknowledges Cherokee lands in what is now East Tennessee.
Day of death May 20, 1863
The temperature on May 20, 1863 was about 7.7 °C. There was 2 mm of rain. The air pressure was 7 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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 18 » American Civil War: The Siege of Vicksburg begins.
July 1 » Keti Koti (Emancipation Day) in Suriname, marking the abolition of slavery by the Netherlands.
August 4 » Matica slovenská, Slovakia's public-law cultural and scientific institution focusing on topics around the Slovak nation, is established in Martin.
November 17 » American Civil War: Siege of Knoxville begins: Confederate forces led by General James Longstreet place Knoxville, Tennessee, under siege.
November 29 » American Civil War: Battle of Fort Sanders: Union forces under Ambrose Burnside successfully defend Knoxville, Tennessee from Confederate forces under James Longstreet.
December 16 » American Civil War: Joseph E. Johnston replaces Braxton Bragg as commander of the Confederate Army of Tennessee.
When copying data from this family tree, please include a reference to the origin: Willem Spekman, "Family tree Spekman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-spekman/I807.php : accessed February 18, 2026), "Gerrit Vermeer (1785-1863)".
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