February 15 » Ferdinand III becomes Holy Roman Emperor.
February 18 » Eighty Years' War: Off the coast of Cornwall, England, a Spanish fleet intercepts an important Anglo-Dutch merchant convoy of 44 vessels escorted by six warships, destroying or capturing 20 of them.
May 26 » Pequot War: A combined English and Mohegan force under John Mason attacks a village in Connecticut, massacring approximately 500 Pequots.
February 29 » Abel Tasman's second Pacific voyage begins.
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.
October 27 » Second Battle of Newbury in the English Civil War.
November 23 » John Milton publishes Areopagitica, a pamphlet decrying censorship.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I19587.php : accessed January 25, 2026), "Leuntje ? (± 1610-1644)".
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