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 2 » During Henry Hudson's search for the Northwest Passage, he sails into what is now known as Hudson Bay.
October 17 » French king Louis XIII is crowned in Reims Cathedral.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I568330.php : accessed January 22, 2026), "Roeloff Jacobs Smetsers (????-1610)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.