May 24 » The Ashmolean Museum in Oxford, England, opens as the world's first university museum.
June 23 » William Penn signs a friendship treaty with Lenni Lenape Indians in Pennsylvania.
September 11 » Battle of Vienna: Coalition forces, including the famous winged Hussars, led by Polish King John III Sobieski lift the siege laid by Ottoman forces.
September 17 » Antonie van Leeuwenhoek writes a letter to the Royal Society describing "animalcules".
October 3 » Qing dynasty naval commander Shi Lang receives the surrender of the Tungning kingdom on Taiwan after the Battle of Penghu.
November 1 » The British Crown colony of New York is subdivided into 12 counties.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I1747.php : accessed January 24, 2026), "Trijntje Willems Terheyde (Heydra)".
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.