March 6 » The first joint Secretary of the Royal Society, Henry Oldenburg, publishes the first issue of Philosophical Transactions of the Royal Society, the world's longest-running scientific journal.
June 3 » James Stuart, Duke of York (later to become King James II of England), defeats the Dutch fleet off the coast of Lowestoft.
June 12 » Thomas Willett is appointed the first mayor of New York City.
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: Scott Jeffrey, "Jeffro Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/jeffro-family-tree/I322376721640.php : accessed May 4, 2025), "John Robson (1630-????)".
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