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.
August 6 » Sixty proof sheets of the Constitution of the United States are delivered to the Constitutional Convention in Philadelphia, Pennsylvania.
September 17 » The United States Constitution is signed in Philadelphia.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
Day of death July 31, 1788
The temperature on July 31, 1788 was about 15.0 °C. Wind direction mainly southwest. Weather type: zeer betrokken. Source: KNMI
January 1 » First edition of The Times of London, previously The Daily Universal Register, is published.
January 9 » Connecticut becomes the fifth state to ratify the Constitution.
February 6 » Massachusetts becomes the sixth state to ratify the United States Constitution.
May 8 » King Louis XVI of France attempts to impose the reforms of Étienne Charles de Loménie de Brienne by abolishing the parlements.
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.
When copying data from this family tree, please include a reference to the origin: P.M. Baert, "Family tree Baert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-baert/I50682.php : accessed February 4, 2026), "Isabella Clara de Langhe (1787-1788)".
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.