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 September 29, 1778
The temperature on September 29, 1778 was about 9.0 °C. Wind direction mainly east-southeast. Weather type: regen zeer betrokken. Source: KNMI
January 18 » James Cook is the first known European to discover the Hawaiian Islands, which he names the "Sandwich Islands".
February 9 » Rhode Island becomes the fourth US state to ratify the Articles of Confederation.
August 21 » American Revolutionary War: British forces begin besieging the French outpost at Pondichéry.
August 26 » The first recorded ascent of Triglav, the highest mountain in Slovenia.
September 7 » American Revolutionary War: France invades Dominica in the British West Indies, before Britain is even aware of France's involvement in the war.
December 15 » American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
When copying data from this family tree, please include a reference to the origin: Christophe, "Arbre Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/arbre-chatelain/I1350.php : accessed October 17, 2026), "Elisabeth MATTENET (1753-????)".
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