February 7 » American Revolutionary War: French and Spanish forces lift the Great Siege of Gibraltar.
March 15 » In an emotional speech in Newburgh, New York, George Washington asks his officers not to support the Newburgh Conspiracy. The plea is successful and the threatened coup d'état never takes place.
April 18 » Three-Fifths Compromise: the first instance of black slaves in the United States of America being counted as three fifths of persons (for the purpose of taxation), in a resolution of the Congress of the Confederation. This was later adopted in the 1787 Constitution.
June 22 » A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
September 3 » American Revolutionary War: The war ends with the signing of the Treaty of Paris by the United States and the Kingdom of Great Britain.
November 21 » In Paris, Jean-François Pilâtre de Rozier and François Laurent d'Arlandes, make the first untethered hot air balloon flight.
Day of death March 20, 1863
The temperature on March 20, 1863 was about 5.9 °C. There was 2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. 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.
January 11 » American Civil War: CSSAlabama encounters and sinks the USSHatteras off Galveston Lighthouse in Texas.
January 29 » The Bear River Massacre: A detachment of California Volunteers led by Colonel Patrick Edward Connor engage the Shoshone at Bear River, Washington Territory, killing hundreds of men, women and children.
May 21 » American Civil War: The Union Army succeeds in closing off the last escape route from Port Hudson, Louisiana, in preparation for the coming siege.
June 9 » American Civil War: Battle of Brandy Station, Virginia.
September 16 » Robert College, in Istanbul, the first American educational institution outside the United States, is founded by Christopher Robert, an American philanthropist.
October 15 » American Civil War: The H. L. Hunley, the first submarine to sink a ship, sinks, killing its inventor.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I79322.php : accessed February 3, 2026), "Johanna Maria de Lauw (1783-1863)".
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