The temperature on October 16, 1753 was about 13.0 °C. There was 66 mm of rainWind direction mainly southwest. Weather type: zeer betrokken regen. 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.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I815.php : accessed January 29, 2026), "Cornelia de Keulenaar".
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