Marie-Charles David de Mayréna
...that French adventurer Marie-Charles David de Mayréna was supposed to negotiate treaties with the local people in an 1888 expedition to present-day Vietnam, but instead formed a new Kingdom of Sedang with himself as the king?
...that <a href="./French_people" id="mwFaw" rel="mw:WikiLink" title="French people">French</a> adventurer <b id="mwFa0"><a href="./Marie-Charles_David_de_Mayréna" id="mwFa4" rel="mw:WikiLink" title="Marie-Charles David de Mayréna">Marie-Charles David de Mayréna</a></b> was supposed to negotiate <a href="./Treaty" id="mwFa8" rel="mw:WikiLink" title="Treaty">treaties</a> with the local people in an 1888 expedition to present-day <a href="./Vietnam" id="mwFbA" rel="mw:WikiLink" title="Vietnam">Vietnam</a>, but instead formed a new <a href="./Kingdom_of_Sedang" id="mwFbE" rel="mw:WikiLink" title="Kingdom of Sedang">Kingdom of Sedang</a> with himself as the <a href="./Monarch" id="mwFbI" rel="mw:WikiLink" title="Monarch">king</a>?