March 8 » Johannes Kepler discovers the third law of planetary motion.
May 15 » Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
May 23 » The Second Defenestration of Prague precipitates the Thirty Years' War.
June 14 » Joris Veseler prints the first Dutch newspaper Courante uyt Italien, Duytslandt, &c. in Amsterdam (approximate date).
July 31 » Maurice, Prince of Orange disbands the waardgelders militia in Utrecht, a pivotal event in the Remonstrant/Counter-Remonstrant tensions.
September 18 » The twelfth baktun in the Mesoamerican Long Count calendar begins.
March 18 » The Third Anglo-Powhatan War begins in the Colony of Virginia.
April 25 » The Chongzhen Emperor, the last Emperor of Ming dynasty China, commits suicide during a peasant rebellion led by Li Zicheng.
May 25 » Ming general Wu Sangui forms an alliance with the invading Manchus and opens the gates of the Great Wall of China at Shanhaiguan pass, letting the Manchus through towards the capital Beijing.
May 26 » Portuguese Restoration War: Portuguese and Spanish forces both claim victory in the Battle of Montijo.
June 29 » Charles I of England defeats a Parliamentarian detachment at the Battle of Cropredy Bridge.
November 23 » John Milton publishes Areopagitica, a pamphlet decrying censorship.
When copying data from this family tree, please include a reference to the origin: W. van Soom, "Family tree Van Soom", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-soom/I20437.php : accessed February 22, 2026), "Antonia Cornelissen (1618-????)".
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