April 8 » English colonial patents are granted for the establishment of the Monmouth Tract, for what would eventually become Monmouth County in northeastern New Jersey.
June 12 » Thomas Willett is appointed the first mayor of New York City.
June 17 » Battle of Montes Claros: Portugal definitively secured independence from Spain in the last battle of the Portuguese Restoration War.
October 5 » The University of Kiel is founded.
October 29 » Portuguese forces defeat the Kingdom of Kongo and decapitate King António I of Kongo, also known as Nvita a Nkanga.
December 10 » The Royal Netherlands Marine Corps is founded by Michiel de Ruyter
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099490581.php : accessed January 26, 2026), "Geertien Harmsen".
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