January 26 » The 8.7–9.2 Mw Cascadia earthquake takes place off the west coast of North America, as evidenced by Japanese records.
February 27 » The island of New Britain is discovered by Europeans.
February 28 » Today is followed by March 1 in Sweden, thus creating the Swedish calendar.
March 1 » Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian calendar on this date in 1753.
Day of marriage September 17, 1724
The temperature on September 17, 1724 was about 17.0 °C. Source: KNMI
January 28 » The Russian Academy of Sciences is founded in St. Petersburg by Peter the Great, and implemented by Senate decree. It is called the St. Petersburg Academy of Sciences until 1917.
April 7 » Premiere performance of Johann Sebastian Bach's St John Passion, BWV245, at St. Nicholas Church, Leipzig.
November 11 » Joseph Blake, alias Blueskin, a highwayman known for attacking "Thief-Taker General" (and thief) Jonathan Wild at the Old Bailey, is hanged in London.
December 7 » Tumult of Thorn: Religious unrest is followed by the execution of nine Protestant citizens and the mayor of Thorn (Toruń) by Polish authorities.
When copying data from this family tree, please include a reference to the origin: A.J. Kegels, "Family tree Afens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-afens/I855.php : accessed January 31, 2026), "Cornelis Gasper Fens (1700-????)".
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