<a href="https://en.wikipedia.org/wiki/Mongols" id="mwOw" rel="mw:WikiLink" title="Mongols">Mongol</a> forces under <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Hulagu_Khan" id="mwPA" rel="mw:WikiLink" title="Hulagu Khan">Hulagu</a> enter and dismantle the <a href="https://en.wikipedia.org/wiki/Nizari_Ismaili_state" id="mwPQ" rel="mw:WikiLink" title="Nizari Ismaili state">Nizari Ismaili</a> (<a href="https://en.wikipedia.org/wiki/Order_of_Assassins" id="mwPg" rel="mw:WikiLink" title="Order of Assassins">Assassin</a>) stronghold at <a href="https://en.wikipedia.org/wiki/Alamut_Castle" id="mwPw" rel="mw:WikiLink" title="Alamut Castle">Alamut Castle</a> (in present-day <a href="https://en.wikipedia.org/wiki/Iran" id="mwQA" rel="mw:WikiLink" title="Iran">Iran</a>) as part of <a href="https://en.wikipedia.org/wiki/Mongol_campaign_against_the_Nizaris" id="mwQQ" rel="mw:WikiLink" title="Mongol campaign against the Nizaris">their offensive</a> on Islamic southwest Asia.