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 12 » Austro-Ottoman War: Battle of Vienna: Several European armies join forces to defeat the Ottoman Empire.
September 17 » Antonie van Leeuwenhoek writes a letter to the Royal Society describing "animalcules".
October 6 » Immigrant families found Germantown, Pennsylvania in the first major immigration of German people to America.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I568698.php : accessed January 21, 2026), "Lucas Ghijsbrechts (1620-1683)".
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