January 7 » Galileo Galilei makes his first observation of the four Galilean moons: Ganymede, Callisto, Io and Europa, although he is not able to distinguish the last two until the following day.
May 14 » Henry IV of France is assassinated by Catholic zealot François Ravaillac, and Louis XIII ascends the throne.
June 5 » The masque Tethys' Festival is performed at Whitehall Palace to celebrate the investiture of Henry Frederick, Prince of Wales.
July 4 » The Battle of Klushino is fought between forces of the Polish–Lithuanian Commonwealth and Russia during the Polish–Muscovite War.
August 9 » The First Anglo-Powhatan War begins in colonial Virginia.
October 17 » French king Louis XIII is crowned in Reims Cathedral.
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).
September 18 » The twelfth baktun in the Mesoamerican Long Count calendar begins.
October 29 » English adventurer, writer, and courtier Sir Walter Raleigh is beheaded for allegedly conspiring against James I of England.
When copying data from this family tree, please include a reference to the origin: Bert M. D'hooge, "Family tree Daans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-daans/I2534.php : accessed February 13, 2026), "Jacob Coeckelberghs (????-1618)".
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