March 8 » Johannes Kepler discovers the third law of planetary motion.
May 15 » Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
May 23 » The Second Defenestration of Prague precipitates the Thirty Years' War.
June 14 » Joris Veseler prints the first Dutch newspaper Courante uyt Italien, Duytslandt, &c. in Amsterdam (approximate date).
July 31 » Maurice, Prince of Orange disbands the waardgelders militia in Utrecht, a pivotal event in the Remonstrant/Counter-Remonstrant tensions.
September 18 » The twelfth baktun in the Mesoamerican Long Count calendar begins.
June 20 » The Battle of Höchst takes place during the Thirty Years' War.
August 1 » Speedwell leaves Delfshaven to bring pilgrims to America by way of England.
August 5 » The Mayflower departs from Southampton, England, carrying would-be settlers, on its first attempt to reach North America; it is forced to dock in Dartmouth when its companion ship, the Speedwell, springs a leak.
November 11 » The Mayflower Compact is signed in what is now Provincetown Harbor near Cape Cod.
November 21 » Plymouth Colony settlers sign the Mayflower Compact (November 11, O.S.)
December 21 » Plymouth Colony: William Bradford and the Mayflower Pilgrims land on what is now known as Plymouth Rock in Plymouth, Massachusetts.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I5875.php : accessed February 8, 2026), " (1618-1620)".
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