March 4 » English King Charles II declares war on the Netherlands marking the start of the Second Anglo-Dutch War.
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.
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.
November 7 » The London Gazette, the oldest surviving journal, is first published.
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: Sheldon Sickler, "Sickler Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/sickler-family-tree/P5929.php : accessed May 4, 2025), "Catrina Ruehl (1586-1665)".
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