The <a href="https://en.wikipedia.org/wiki/Union_of_Arras" id="mwUA" rel="mw:WikiLink" title="Union of Arras">Union of Arras</a> unites the southern Netherlands under the <a href="https://en.wikipedia.org/wiki/Duke_of_Parma" id="mwUQ" rel="mw:WikiLink" title="Duke of Parma">Duke of Parma</a> (<a href="https://en.wikipedia.org/wiki/Ottavio_Farnese,_Duke_of_Parma" id="mwUg" rel="mw:WikiLink" title="Ottavio Farnese, Duke of Parma">Ottavio Farnese</a>), governor in the name of <a href="https://en.wikipedia.org/wiki/Philip_II_of_Spain" id="mwUw" rel="mw:WikiLink" title="Philip II of Spain">King Philip II of Spain</a>.<sup about="#mwt55" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-9"}}' id="cite_ref-9" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_6#cite_note-9" id="mwVA" style="counter-reset: mw-Ref 9;"><span class="mw-reflink-text" id="mwVQ">[9]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-9"><cite about="#mwt52" class="citation book cs1" id="CITEREFVan_Nouhuys1998">Van Nouhuys, Tabitta (1998). <a class="external text" href="https://books.google.com/books?id=xO3n6sjUaK4C&amp;pg=PA477" id="mwCLw" rel="mw:ExtLink nofollow"><i id="mwCL0">The Ages of Two-faced Janus: The Comets of 1577 and 1618 and the Decline of the Aristotelian World View in the Netherlands</i></a>. BRILL. p.<span id="mwCL4" typeof="mw:Entity"> </span>477. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCL8" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCMA" typeof="mw:Entity"> </span><a href="./Special:BookSources/90-04-11204-9" id="mwCME" rel="mw:WikiLink" title="Special:BookSources/90-04-11204-9"><bdi id="mwCMI">90-04-11204-9</bdi></a>.</cite><span about="#mwt52" class="Z3988" id="mwCMM" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Ages+of+Two-faced+Janus%3A+The+Comets+of+1577+and+1618+and+the+Decline+of+the+Aristotelian+World+View+in+the+Netherlands&amp;rft.pages=477&amp;rft.pub=BRILL&amp;rft.date=1998&amp;rft.isbn=90-04-11204-9&amp;rft.aulast=Van+Nouhuys&amp;rft.aufirst=Tabitta&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DxO3n6sjUaK4C%26pg%3DPA477&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+6"></span></span>