January 1 » American Revolutionary War: One thousand five hundred soldiers of the 6th Pennsylvania Regiment under General Anthony Wayne's command rebel against the Continental Army's winter camp in Morristown, New Jersey in the Pennsylvania Line Mutiny of 1781.
February 3 » American Revolutionary War: British forces seize the Dutch-owned Caribbean island Sint Eustatius.
June 3 » Jack Jouett begins his midnight ride to warn Thomas Jefferson and the Virginia legislature of an impending raid by Banastre Tarleton.
August 24 » American Revolutionary War: A small force of Pennsylvania militia is ambushed and overwhelmed by an American Indian group, which forces George Rogers Clark to abandon his attempt to attack Detroit.
September 28 » American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
October 17 » American Revolutionary War: British General Charles, Earl Cornwallis surrenders at the Siege of Yorktown.
When copying data from this family tree, please include a reference to the origin: Wim de Vries, "Family tree Kaempff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaempff/I2928.php : accessed March 16, 2026), "Klaas Johannes Kooistra (1756-????)".
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.