February 29 » King Alaungpaya founds Konbaung Dynasty, the last dynasty of Burmese monarchy.
April 20 » Start of Konbaung–Hanthawaddy War, a new phase in the Burmese Civil War (1740–57).
June 15 » Benjamin Franklin proves that lightning is electricity (traditional date, the exact date is unknown).
September 2 » Great Britain, along with its overseas possessions, adopts the Gregorian calendar.
September 14 » The British Empire adopts the Gregorian calendar, skipping eleven days (the previous day was September 2).
Day of death December 21, 1768
The temperature on December 21, 1768 was about 5.0 °C. Wind direction mainly south-southwest. Weather type: omtrent helder. Special wheather fenomena: rijp. Source: KNMI
April 4 » In London, Philip Astley stages the first modern circus.
May 10 » Rioting occurs in London after John Wilkes is imprisoned for writing an article for The North Briton severely criticizing King George III.
June 21 » James Otis Jr. offends the King and Parliament in a speech to the Massachusetts General Court.
November 5 » Treaty of Fort Stanwix, the purpose of which is to adjust the boundary line between Indian lands and white settlements set forth in the Royal Proclamation of 1763 in the Thirteen Colonies.
December 1 » The former slave ship Fredensborg sinks off Tromøya in Norway.
December 10 » The first edition of the Encyclopædia Britannica is published.
When copying data from this family tree, please include a reference to the origin: Scott Jeffrey, "Jeffro Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/jeffro-family-tree/I322417354632.php : accessed May 6, 2025), "William Cook (± 1726-1768)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.