<a href="https://en.wikipedia.org/wiki/Mongol_invasion_of_Java" id="mwLA" rel="mw:WikiLink" title="Mongol invasion of Java">Mongol invasion of Java</a> was a <a href="https://en.wikipedia.org/wiki/Punitive_expedition" id="mwLQ" rel="mw:WikiLink" title="Punitive expedition">punitive expedition</a> against King <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Kertanegara" id="mwLg" rel="mw:WikiLink" title="Kertanegara">Kertanegara</a> of <a href="https://en.wikipedia.org/wiki/Singhasari" id="mwLw" rel="mw:WikiLink" title="Singhasari">Singhasari</a>, who had refused to pay tribute to the Yuan and maimed one of its ministers. However, it ended with failure for the <a href="https://en.wikipedia.org/wiki/Mongols" id="mwMA" rel="mw:WikiLink" title="Mongols">Mongols</a>. Regarded as establish City of <a href="https://en.wikipedia.org/wiki/Surabaya" id="mwMQ" rel="mw:WikiLink" title="Surabaya">Surabaya</a><sup about="#mwt21" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-2"}}' id="cite_ref-2" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_31#cite_note-2" id="mwMg" style="counter-reset: mw-Ref 2;"><span class="mw-reflink-text" id="mwMw">[2]</span></a></sup><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="./May_31#cite_note-3" id="mwNA" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwNQ">[3]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-2"><cite about="#mwt18" class="citation web cs1" id="CITEREFKnoji">Knoji. <a class="external text" href="https://indonesia.knoji.com/history-of-surabaya-east-java-indonesia/" id="mwBmg" rel="mw:ExtLink nofollow">"History of Surabaya, East Java, Indonesia"</a>. <i id="mwBmk">indonesia.knoji.com</i><span class="reference-accessdate" id="mwBmo">. Retrieved <span class="nowrap" id="mwBms">2018-10-16</span></span>.</cite><span about="#mwt18" class="Z3988" id="mwBmw" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=indonesia.knoji.com&amp;rft.atitle=History+of+Surabaya%2C+East+Java%2C+Indonesia&amp;rft.au=Knoji&amp;rft_id=https%3A%2F%2Findonesia.knoji.com%2Fhistory-of-surabaya-east-java-indonesia%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+31"></span></span>