June 25 » Gavriil Pribylov discovers St. George Island of the Pribilof Islands in the Bering Sea.
June 29 » Alexander Macdonell and over five hundred Roman Catholic highlanders leave Scotland to settle in Glengarry County, Ontario.
August 8 » Mont Blanc on the French-Italian border is climbed for the first time by Jacques Balmat and Dr. Michel-Gabriel Paccard.
August 29 » Shays' Rebellion, an armed uprising of Massachusetts farmers, begins in response to high debt and tax burdens.
September 11 » The beginning of the Annapolis Convention.
December 4 » Mission Santa Barbara is dedicated (on the feast day of Saint Barbara).
Day of death December 18, 1861
The temperature on December 18, 1861 was about 6.6 °C. There was 0.6 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
January 11 » American Civil War: Alabama secedes from the United States.
February 13 » Italian unification: The Siege of Gaeta ends with the capitulation of the defending fortress, effectively bringing an end of the Kingdom of the Two Sicilies.
April 15 » President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
October 17 » Aborigines kill Nineteen Europeans in the Cullin-la-ringo massacre.
October 25 » The Toronto Stock Exchange is created.
December 10 » American Civil War: The Confederate States of America accept a rival state government's pronouncement that declares Kentucky to be the 13th state of the Confederacy.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I6463.php : accessed February 23, 2026), "Susanna Geertruida de Villiers d10 (1786-1861)".
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