Start of the <a href="https://en.wikipedia.org/wiki/Siege_of_Maastricht_(1579)" id="mwMA" rel="mw:WikiLink" title="Siege of Maastricht (1579)">Siege of Maastricht</a>, part of the <a href="https://en.wikipedia.org/wiki/Eighty_Years'_War" id="mwMQ" rel="mw:WikiLink" title="Eighty Years' War">Eighty Years' War</a>.<sup about="#mwt30" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-4"}}' id="cite_ref-4" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_12#cite_note-4" id="mwMg" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwMw">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt27" class="citation book cs1" id="CITEREFEggenberger1985">Eggenberger, David (1985). <a class="external text" href="https://books.google.com/books?id=eSEnw1HuWUoC&amp;pg=PA253" id="mwCZY" rel="mw:ExtLink nofollow"><i id="mwCZc">Encyclopedia of Battles</i></a>. Courier Corporation. p.<span id="mwCZg" typeof="mw:Entity"> </span>235. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCZk" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCZo" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780486249131" id="mwCZs" rel="mw:WikiLink" title="Special:BookSources/9780486249131"><bdi id="mwCZw">9780486249131</bdi></a>.</cite><span about="#mwt27" class="Z3988" id="mwCZ0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Encyclopedia+of+Battles&amp;rft.pages=235&amp;rft.pub=Courier+Corporation&amp;rft.date=1985&amp;rft.isbn=9780486249131&amp;rft.aulast=Eggenberger&amp;rft.aufirst=David&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DeSEnw1HuWUoC%26pg%3DPA253&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+12"></span></span>