January 14 » The "Fundamental Orders", the first written constitution that created a government, is adopted in Connecticut.
March 13 » Harvard College is named after clergyman John Harvard.
April 14 » Imperial forces are defeated by the Swedes at the Battle of Chemnitz. The Swedish victory prolongs the Thirty Years' War and allows them to advance into Bohemia.
August 22 » Madras (now Chennai), India, is founded by the British East India Company on a sliver of land bought from local Nayak rulers.
When copying data from this family tree, please include a reference to the origin: Theo van den Bogaard, "Family tree Janssen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-janssen/I663.php : accessed February 6, 2026), "Willem Thomas Peter van Spaendonck".
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