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.
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 17 » Battle of Montes Claros: Portugal definitively secured independence from Spain in the last battle of the Portuguese Restoration War.
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: Reid McMahon, "McMahon/Trahan Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/mcmahon-trahan-family-tree/I215.php : accessed May 3, 2024), "Francis Verdon (± 1602-1665)".
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