January 16 » Thomas Howard, 4th Duke of Norfolk is tried for treason for his part in the Ridolfi plot to restore Catholicism in England.
July 9 » Nineteen Catholics suffer martyrdom for their beliefs in the Dutch town of Gorkum.
August 18 » Marriage in Paris, France, of the Huguenot King Henry III of Navarre to Margaret of Valois, in a supposed attempt to reconcile Protestants and Catholics.
October 20 » Eighty Years' War: Three thousand Spanish soldiers wade through fifteen miles of water in one night to effect the relief of Goes.
November 11 » Tycho Brahe observes the supernova SN 1572.
December 23 » Theologian Johann Sylvan is executed in Heidelberg for his heretical Antitrinitarian beliefs.
January 20 » The Mexican city of León is founded by order of the viceroy Don Martín Enríquez de Almanza.
March 8 » Spanish explorer Diego García de Palacio first sights the ruins of the ancient Mayan city of Copán.
July 11 » While exploring the North Atlantic Ocean in an attempt to find the Northwest Passage, Martin Frobisher sights Greenland, mistaking it for the hypothesized (but non-existent) island of "Frisland".
July 12 » Mughal Empire annexes Bengal after defeating the Bengal Sultanate at the Battle of Rajmahal.
August 8 » The cornerstone for Tycho Brahe's Uraniborg observatory is laid on the island of Hven.
November 8 » Eighty Years' War: Pacification of Ghent: The States General of the Netherlands meet and unite to oppose Spanish occupation.
When copying data from this family tree, please include a reference to the origin: Wesley Brown, "The Brown Tree", database, Genealogy Online (https://www.genealogieonline.nl/the-brown-tree/P7534.php : accessed January 23, 2026), "Isabell Docker (1550-????)".
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.