March 4 » France is divided into 83 départements, cutting across the former provinces in an attempt to dislodge regional loyalties based on ownership of land by the nobility.
May 31 » The United States enacts its first copyright statute, the Copyright Act of 1790.
July 9 » The Swedish Navy captures one third of the Russian Baltic fleet.
October 9 » A severe earthquake in northern Algeria causes severe damage and a tsunami in the Mediterranean Sea and kills three thousand.
October 22 » Northwest Indian War: Native American forces defeat the United States in the Harmar Campaign.
December 31 » Efimeris, the oldest Greek newspaper of which issues have survived till today, is published for the first time.
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 8, 2026), "Joannis Wijers (± 1745-1790)".
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