King <a href="https://en.wikipedia.org/wiki/Louis_the_Pious" id="mwKQ" rel="mw:WikiLink" title="Louis the Pious">Louis the Pious</a> captures <a href="https://en.wikipedia.org/wiki/Barcelona" id="mwKg" rel="mw:WikiLink" title="Barcelona">Barcelona</a> from the <a href="https://en.wikipedia.org/wiki/Moors" id="mwKw" rel="mw:WikiLink" title="Moors">Moors</a> after <a href="https://en.wikipedia.org/wiki/Siege_of_Barcelona_(801)" id="mwLA" rel="mw:WikiLink" title="Siege of Barcelona (801)">a siege</a> of several months.<sup about="#mwt39" 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="./April_4#cite_note-4" id="mwLQ" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwLg">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt36" class="citation book cs1" id="CITEREFBradbury2006">Bradbury, Jim (2006). <a class="external text" href="https://books.google.com/books?id=3FRsBgAAQBAJ" id="mwCHY" rel="mw:ExtLink nofollow"><i id="mwCHc">The Routledge Companion to Medieval Warfare</i></a>. London: Routledge. p.<span id="mwCHg" typeof="mw:Entity"> </span>116. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCHk" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCHo" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780415413954" id="mwCHs" rel="mw:WikiLink" title="Special:BookSources/9780415413954"><bdi id="mwCHw">9780415413954</bdi></a>.</cite><span about="#mwt36" class="Z3988" id="mwCH0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Routledge+Companion+to+Medieval+Warfare&amp;rft.place=London&amp;rft.pages=116&amp;rft.pub=Routledge&amp;rft.date=2006&amp;rft.isbn=9780415413954&amp;rft.aulast=Bradbury&amp;rft.aufirst=Jim&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D3FRsBgAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+4"></span></span>