February 23 » American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania to help to train the Continental Army.
August 3 » The theatre La Scala in Milan is inaugurated with the première of Antonio Salieri's Europa riconosciuta.
August 29 » American Revolutionary War: British and American forces battle indecisively at the Battle of Rhode Island.
September 7 » American Revolutionary War: France invades Dominica in the British West Indies, before Britain is even aware of France's involvement in the war.
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
November 11 » Cherry Valley massacre: Loyalists and Seneca Indian forces attack a fort and village in eastern New York during the American Revolutionary War, killing more than forty civilians and soldiers.
Day of death December 3, 1787
The temperature on December 3, 1787 was about 4.0 °C. Source: KNMI
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'.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
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.
When copying data from this family tree, please include a reference to the origin: W.J.G. Eussen, "Family tree Eussen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eussen/I1569.php : accessed February 13, 2026), "Gerardus HILLEN (1778-1787)".
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.