The temperature on July 15, 1770 was about 18.0 °C. Wind direction mainly east-northeast. Weather type: omtrent helder. Special wheather fenomena: veel dauw. Source: KNMI
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
August 4 » The Treaty of Sistova is signed, ending the Ottoman–Habsburg wars.
August 21 » A Vodou ceremony, led by Dutty Boukman, turns into a violent slave rebellion, beginning the Haitian Revolution.
August 26 » John Fitch is granted a United States patent for the steamboat.
November 4 » Northwest Indian War: The Western Confederacy of American Indians wins a major victory over the United States in the Battle of the Wabash.
December 4 » The first edition of The Observer, the world's first Sunday newspaper, is published.
When copying data from this family tree, please include a reference to the origin: Dingeman Hendrikse, "Purvis Farquhar", database, Genealogy Online (https://www.genealogieonline.nl/purvis-farquehar/R880.php : accessed February 15, 2026), "Dirkje Dros (1770-1791)".
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