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.
May 18 » First United Empire Loyalists reach Parrtown (later called Saint John, New Brunswick), Canada, after leaving the United States.
June 4 » The Montgolfier brothers publicly demonstrate their montgolfière (hot air balloon).
June 22 » A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
August 18 » A huge fireball meteor is seen across Great Britain as it passes over the east coast.
November 3 » The American Continental Army is disbanded.
Day of death June 22, 1790
The temperature on June 22, 1790 was about 22.0 °C. Wind direction mainly west-southwest. Weather type: omtrent helder. Source: KNMI
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/I42.php : accessed October 7, 2026), "Joannis Wijers (± 1745-1790)".
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