<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Alfonso_X" id="mwEA" rel="mw:WikiLink" title="Alfonso X">Alfonso X</a> is proclaimed king of <a href="https://en.wikipedia.org/wiki/Kingdom_of_Castile" id="mwEQ" rel="mw:WikiLink" title="Kingdom of Castile">Castile</a> and <a href="https://en.wikipedia.org/wiki/Kingdom_of_León" id="mwEg" rel="mw:WikiLink" title="Kingdom of León">León</a>.<sup about="#mwt14" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-1"}}' id="cite_ref-1" rel="dc:references" typeof="mw:Extension/ref"><a href="./June_1#cite_note-1" id="mwEw" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwFA">[1]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt11" class="citation book cs1" id="CITEREFMartínez2010">Martínez, H. Salvador (2010). <a class="external text" href="https://books.google.com/books?id=j0U08htguPUC&amp;newbks=1&amp;newbks_redir=0&amp;printsec=frontcover#v=onepage&amp;q&amp;f=false" id="mwB1o" rel="mw:ExtLink nofollow"><i id="mwB1s">Alfonso X, the Learned: A Biography</i></a>. Leiden: Brill. p.<span id="mwB1w" typeof="mw:Entity"> </span>99. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB10" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB14" typeof="mw:Entity"> </span><a href="./Special:BookSources/9789004181472" id="mwB18" rel="mw:WikiLink" title="Special:BookSources/9789004181472"><bdi id="mwB2A">9789004181472</bdi></a>.</cite><span about="#mwt11" class="Z3988" id="mwB2E" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Alfonso+X%2C+the+Learned%3A+A+Biography&amp;rft.place=Leiden&amp;rft.pages=99&amp;rft.pub=Brill&amp;rft.date=2010&amp;rft.isbn=9789004181472&amp;rft.aulast=Mart%C3%ADnez&amp;rft.aufirst=H.+Salvador&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dj0U08htguPUC%26newbks%3D1%26newbks_redir%3D0%26printsec%3Dfrontcover%23v%3Donepage%26q%26f%3Dfalse&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJune+1"></span></span>