January 4 » The Netherlands, Great Britain, and France sign the Triple Alliance in an attempt to maintain the Treaty of Utrecht; Britain having signed a preliminary alliance with France on November 28 (November 17, 1716).
March 2 » The Loves of Mars and Venus is the first ballet performed in England.
March 31 » A sermon on "The Nature of the Kingdom of Christ" by Benjamin Hoadly, the Bishop of Bangor, preached in the presence of King George I of Great Britain, provokes the Bangorian Controversy.
June 24 » The Premier Grand Lodge of England is founded in London, the first Masonic Grand Lodge in the world (now the United Grand Lodge of England).
July 17 » King George I of Great Britain sails down the River Thames with a barge of 50 musicians, where George Frideric Handel's Water Music is premiered.
September 29 » An earthquake strikes Antigua Guatemala, destroying much of the city's architecture.
Day of death May 9, 1787
The temperature on May 9, 1787 was about 11.0 °C. Wind direction mainly north by east. Weather type: betrokken. Source: KNMI
January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
January 25 » Shays's Rebellion: The rebellion's largest confrontation, outside the Springfield Armory, results in the killing of four rebels and the wounding of twenty.
February 3 » Militia led by General Benjamin Lincoln crush the remnants of Shays' Rebellion in Petersham, Massachusetts.
May 13 » Captain Arthur Phillip leaves Portsmouth, England, with eleven ships full of convicts (the "First Fleet") to establish a penal colony in Australia.
September 17 » The United States Constitution is signed in Philadelphia.
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: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18032.php : accessed January 24, 2026), "Cornelis Mostert c3 (1717-1787)".
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