March 2 » The Loves of Mars and Venus is the first ballet performed in England.
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.
August 17 » Austro-Turkish War of 1716–18: The month-long Siege of Belgrade ends with Prince Eugene of Savoy's Austrian troops capturing the city from the Ottoman Empire.
August 22 » Spanish troops land on Sardinia.
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.
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.
June 20 » Oliver Ellsworth moves at the Federal Convention to call the government the 'United States'.
September 28 » The Congress of the Confederation votes to send the newly-written United States Constitution to the state legislatures for approval.
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: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18032.php : accessed January 25, 2026), "Cornelis Mostert c3 (1717-1787)".
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