March 8 » John Casor becomes the first legally-recognized slave in England's North American colonies where a crime was not committed.
March 25 » Saturn's largest moon, Titan, is discovered by Christiaan Huygens.
April 23 » The Siege of Santo Domingo begins during the Anglo-Spanish War, and fails seven days later.
September 8 » Warsaw falls without resistance to a small force under the command of Charles X Gustav of Sweden during The Deluge, making it the first time the city is captured by a foreign army.
December 18 » The Whitehall Conference ends with the determination that there was no law preventing Jews from re-entering England after the Edict of Expulsion of 1290.
December 27 » Second Northern War/the Deluge: Monks at the Jasna Góra Monastery in Częstochowa are successful in fending off a month-long siege.
January 26 » For the first time, the Ottoman Empire permanently cedes territory to the Christian powers.
February 16 » First Leopoldine Diploma is issued by the Holy Roman Emperor, recognizing the Greek Catholic clergy enjoyed the same privileges as Roman Catholic priests in the Principality of Transylvania.
March 30 » Guru Gobind Singh establishes the Khalsa in Anandpur Sahib, Punjab.
April 14 » Khalsa: The Sikh religion was formalised as the Khalsa - the brotherhood of Warrior-Saints - by Guru Gobind Singh in northern India, in accordance with the Nanakshahi calendar.
When copying data from this family tree, please include a reference to the origin: James Colgan, "Colgan Family tree", database, Genealogy Online (https://www.genealogieonline.nl/colgan-family-tree/P2921.php : accessed May 10, 2025), "John Houlston (1631-1699)".
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