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.
January 28 » Original city of Panama (founded in 1519) was destroyed by a fire when privateer Henry Morgan sacked and set fire to it. The site of the previously devastated city is still in ruins (see Panama Viejo).
April 30 » Petar Zrinski, the Croatian Ban from the Zrinski family, is executed.
May 9 » Thomas Blood, disguised as a clergyman, attempts to steal England's Crown Jewels from the Tower of London.
When copying data from this family tree, please include a reference to the origin: Patrick Cloostermans, "Family tree of Patrick Cloostermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-patrick-cloostermans/I2191.php : accessed February 20, 2026), "Guilielmus LEMMENS (????-1671)".
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