March 18 » New York governor George Clarke's complex at Fort George is burned in an arson attack, starting the New York Conspiracy of 1741.
April 10 » War of the Austrian Succession: Prussia gains control of Silesia at the Battle of Mollwitz.
June 25 » Maria Theresa is crowned Queen of Hungary.
July 15 » Aleksei Chirikov sights land in Southeast Alaska. He sends men ashore in a longboat, making them the first Europeans to visit Alaska.
August 10 » King Marthanda Varma of Travancore defeats the Dutch East India Company at the Battle of Colachel, effectively bringing about the end of the Dutch colonial rule in India.
September 14 » George Frideric Handel completes his oratorio Messiah.
Day of marriage April 21, 1766
The temperature on April 21, 1766 was about 8.0 °C. Wind direction mainly south east. Weather type: betrokken omtrent helder. Source: KNMI
March 18 » American Revolution: The British Parliament repeals the Stamp Act.
May 22 » A large earthquake causes heavy damage and loss of life in Istanbul and the Marmara region.
July 1 » François-Jean de la Barre, a young French nobleman, is tortured and beheaded before his body is burnt on a pyre along with a copy of Voltaire's Dictionnaire philosophique nailed to his torso for the crime of not saluting a Roman Catholic religious procession in Abbeville, France.
November 10 » The last colonial governor of New Jersey, William Franklin, signs the charter of Queen's College (later renamed Rutgers University).
December 2 » Swedish parliament approved the Swedish Freedom of the Press Act and implemented it as a ground law, thus being first in the world with freedom of speech.
December 25 » Mapuches in Chile launch a series of surprise attacks against the Spanish starting the Mapuche uprising of 1766.
Day of death November 16, 1788
The temperature on November 16, 1788 was about 3.0 °C. Wind direction mainly north-northwest. Weather type: omtrent helder. Source: KNMI
January 9 » Connecticut becomes the fifth state to ratify the Constitution.
April 7 » American pioneers to the Northwest Territory establish Marietta, Ohio as the first permanent American settlement in the Northwest Territory.
April 28 » Maryland becomes the seventh state to ratify the United States Constitution.
June 21 » New Hampshire becomes the ninth state to ratify the Constitution of the United States.
September 13 » The Philadelphia Convention sets the date for the first presidential election in the United States, and New York City becomes the country's temporary capital.
December 22 » Nguyễn Huệ proclaims himself Emperor Quang Trung, in effect abolishing on his own the Lê dynasty.
When copying data from this family tree, please include a reference to the origin: J. van Heemskerck Düker, "Kwartieren Van Heemskerck Düker", database, Genealogy Online (https://www.genealogieonline.nl/kwartieren-van-heemskerck-duker/I1288.php : accessed August 8, 2025), "Clara Jacoba van HEEMSKERCK VAN BEEST (1741-1788)".
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