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 death October 20, 1758
The temperature on October 20, 1758 was about 9.0 °C. Wind direction mainly east by north. Weather type: geheel betrokken. Source: KNMI
May 21 » Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
June 23 » Seven Years' War: Battle of Krefeld: British, Hanoverian, and Prussian forces defeat French troops at Krefeld in Germany.
July 8 » French forces hold Fort Carillon against the British at Ticonderoga, New York.
August 25 » Seven Years' War: Frederick II of Prussia defeats the Russian army at the Battle of Zorndorf.
August 29 » The Treaty of Easton establishes the first American Indian reservation, at Indian Mills, New Jersey, for the Lenape.
December 25 » Halley's Comet is sighted by Johann Georg Palitzsch, confirming Edmund Halley's prediction of its passage. This was the first passage of a comet predicted ahead of time.
When copying data from this family tree, please include a reference to the origin: Pam Schaeffer Massung, "Schaeffer-Massung Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/schaeffer-massung-family-tree/I280108605214.php : accessed April 30, 2025), "Henry SOUTHWELL (1700-1758)".
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