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 29 » Rhode Island becomes the last of North America's original Thirteen Colonies to ratify the Constitution and become one of the United States.
May 31 » Manuel Quimper explores the Strait of Juan de Fuca.
May 31 » The United States enacts its first copyright statute, the Copyright Act of 1790.
July 31 » The first U.S. patent is issued, to inventor Samuel Hopkins for a potash process.
December 22 » The Turkish fortress of Izmail is stormed and captured by Alexander Suvorov and his Russian armies.
Christening day May 30, 1790
The temperature on May 30, 1790 was about 14.0 °C. Wind direction mainly west-northwest. Weather type: zeer betrokken. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Guus Nijhuis, "Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/gelderman/I7224.php : accessed October 23, 2026), "Jan Kobus (1790-????)".
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