Abaskun
...that the prosperous Caspian Sea port of Abaskun disappeared from records in the 13th century?
...that the prosperous <a href="./Caspian_Sea" id="mwC7M" rel="mw:WikiLink" title="Caspian Sea">Caspian Sea</a> port of <b id="mwC7Q"><a href="./Abaskun" id="mwC7U" rel="mw:WikiLink" title="Abaskun">Abaskun</a></b> disappeared from records in the <a href="./13th_century" id="mwC7Y" rel="mw:WikiLink" title="13th century">13th century</a>?