<a class="mw-redirect" href="https://en.wikipedia.org/wiki/1383–85_Portuguese_interregnum" id="mwUw" rel="mw:WikiLink" title="1383–85 Portuguese interregnum">Portuguese Crisis of 1383–85</a>: <a href="https://en.wikipedia.org/wiki/Battle_of_Aljubarrota" id="mwVA" rel="mw:WikiLink" title="Battle of Aljubarrota">Battle of Aljubarrota</a>: Portuguese forces commanded by <a href="https://en.wikipedia.org/wiki/John_I_of_Portugal" id="mwVQ" rel="mw:WikiLink" title="John I of Portugal">John I of Portugal</a> defeat the <a href="https://en.wikipedia.org/wiki/Castile_(historical_region)" id="mwVg" rel="mw:WikiLink" title="Castile (historical region)">Castilian</a> army of <a href="https://en.wikipedia.org/wiki/John_I_of_Castile" id="mwVw" rel="mw:WikiLink" title="John I of Castile">John I of Castile</a>.<sup about="#mwt58" 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="./August_14#cite_note-9" id="mwWA" style="counter-reset: mw-Ref 9;"><span class="mw-reflink-text" id="mwWQ">[9]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-9"><cite about="#mwt55" class="citation web cs1" id="mwB74"><a class="external text" href="https://www.britannica.com/event/Battle-of-Aljubarrota" id="mwB78" rel="mw:ExtLink nofollow">"Battle of Aljubarrota | Portugal <span id="mwB8A" typeof="mw:Entity">[</span>1385<span id="mwB8E" typeof="mw:Entity">]</span>"</a>. <i id="mwB8I">Encyclopedia Britannica</i><span class="reference-accessdate" id="mwB8M">. Retrieved <span class="nowrap" id="mwB8Q">16 March</span> 2021</span>.</cite><span about="#mwt55" class="Z3988" id="mwB8U" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Encyclopedia+Britannica&amp;rft.atitle=Battle+of+Aljubarrota+%7C+Portugal+%5B1385%5D&amp;rft_id=https%3A%2F%2Fwww.britannica.com%2Fevent%2FBattle-of-Aljubarrota&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAugust+14"></span></span>