February 17 » In Sweden February 17 is followed by March 1 as the country moves from the Julian calendar to the Gregorian calendar.
May 1 » Publication of Species Plantarum by Linnaeus, and the formal start date of plant taxonomy adopted by the International Code of Botanical Nomenclature.
Day of marriage June 4, 1780
The temperature on June 4, 1780 was about 14.0 °C. Wind direction mainly north-northeast. Weather type: zeer betrokken. Source: KNMI
January 25 » The London Corresponding Society is founded.
April 20 » France declares war against the "King of Hungary and Bohemia", the beginning of French Revolutionary Wars.
May 17 » The New York Stock Exchange is formed under the Buttonwood Agreement.
June 1 » Kentucky is admitted as the 15th state of the United States.
October 29 » Mount Hood (Oregon) is named after Samuel Hood, 1st Viscount Hood by Lt. William E. Broughton who sighted the mountain near the mouth of the Willamette River.
December 11 » French Revolution: King Louis XVI of France is put on trial for treason by the National Convention.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P24330.php : accessed May 1, 2025), "Dr Timothy Lyman (1753-1792)".
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