The <a href="https://en.wikipedia.org/wiki/Treaty_of_The_Hague_(1661)" id="mwIw" rel="mw:WikiLink" title="Treaty of The Hague (1661)">Treaty of The Hague</a> is signed by Portugal and the <a href="https://en.wikipedia.org/wiki/Dutch_Republic" id="mwJA" rel="mw:WikiLink" title="Dutch Republic">Dutch Republic</a>.<sup about="#mwt25" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-3"}}' id="cite_ref-3" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_6#cite_note-3" id="mwJQ" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwJg">[3]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-3"><cite about="#mwt22" class="citation book cs1" id="CITEREFJan_H._Verzijl1972">Jan H. Verzijl (31 December 1972). <a class="external text" href="https://books.google.com/books?id=WPKRmSk_8PsC&amp;pg=PA493" id="mwBmQ" rel="mw:ExtLink nofollow"><i id="mwBmU">International Law in Historical Perspective</i></a>. Martinus Nijhoff Publishers. p.<span id="mwBmY" typeof="mw:Entity"> </span>493. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBmc" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBmg" typeof="mw:Entity"> </span><a href="./Special:BookSources/90-286-0022-1" id="mwBmk" rel="mw:WikiLink" title="Special:BookSources/90-286-0022-1"><bdi id="mwBmo">90-286-0022-1</bdi></a>.</cite><span about="#mwt22" class="Z3988" id="mwBms" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=International+Law+in+Historical+Perspective&amp;rft.pages=493&amp;rft.pub=Martinus+Nijhoff+Publishers&amp;rft.date=1972-12-31&amp;rft.isbn=90-286-0022-1&amp;rft.au=Jan+H.+Verzijl&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DWPKRmSk_8PsC%26pg%3DPA493&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAugust+6"></span></span>