June 25 » Venetian Elena Cornaro Piscopia is the first woman awarded a doctorate of philosophy when she graduates from the University of Padua.
August 3 » Robert LaSalle builds the Le Griffon, the first known ship built on the Great Lakes.
November 25 » Trunajaya rebellion: After a long and logistically challenging march, the allied Mataram and Dutch troops successfully assaulted the rebel stronghold of Kediri.
When copying data from this family tree, please include a reference to the origin: Rebecca Gibson, "Hamerslag Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/hamerslag-family-tree/P1816.php : accessed May 9, 2025), "Jan van Woerkom (1657-????)".
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