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.
Christening day May 6, 1753
The temperature on May 6, 1753 was about 9.0 °C. Wind direction mainly northwest. Weather type: betrokken geheel betrokken. Source: KNMI
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 March 4, 1792
The temperature on March 4, 1792 was about 5.0 °C. There was 22 mm of rainWind direction mainly south-southeast. Weather type: betrokken regen. Source: KNMI
April 5 » United States President George Washington exercises his authority to veto a bill, the first time this power is used in the United States.
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.
September 2 » During what became known as the September Massacres of the French Revolution, rampaging mobs slaughter three Roman Catholic bishops, more than two hundred priests, and prisoners believed to be royalist sympathizers.
September 21 » French Revolution: The National Convention abolishes the monarchy.
September 22 » Primidi Vendémiaire of year one of the French Republican Calendar as the French First Republic comes into being.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I24899.php : accessed October 3, 2026), "Jacob Wanders (1753-????)".
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