February 5 » In Calabria, a sequence of strong earthquakes begins.
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 8 » Laki, a volcano in Iceland, begins an eight-month eruption which kills over 9,000 people and starts a seven-year famine.
July 24 » The Kingdom of Georgia and the Russian Empire sign the Treaty of Georgievsk.
August 18 » A huge fireball meteor is seen across Great Britain as it passes over the east coast.
October 15 » The Montgolfier brothers' hot air balloon makes the first human ascent, piloted by Jean-François Pilâtre de Rozier.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I8062.php : accessed December 30, 2025), "Geertruid Vossers (± 1717-1783)".
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