April 8 » Shearith Israel, the first synagogue in New York City, is dedicated.
July 8 » An estimated magnitude 8.7 earthquake causes a tsunami that damages more than 1,000km (620mi) of Chile's coastline.
October 1 » Ahmed III is forced to abdicate as the Ottoman sultan.
October 22 » Construction of the Ladoga Canal is completed.
November 18 » The future Frederick II (known as Frederick the Great), King of Prussia, is granted a royal pardon and released from confinement.
Day of death March 7, 1787
The temperature on March 7, 1787 was about 7.0 °C. There was 220 mm of rainWind direction mainly northwest. Weather type: betrokken regen. Source: KNMI
January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
February 3 » Militia led by General Benjamin Lincoln crush the remnants of Shays' Rebellion in Petersham, Massachusetts.
May 25 » After a delay of 11 days, the United States Constitutional Convention formally convenes in Philadelphia after a quorum of seven states is secured.
October 1 » Russians under Alexander Suvorov defeat the Turks at Kinburn.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 18 » New Jersey becomes the third state to ratify the U.S. Constitution.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P23948.php : accessed February 19, 2026), "Mary Avery (1730-1787)".
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