Khmer
... that Khmer, the language of Cambodia and the Khmer Empire, has a 1400-year written history?
... that <b id="mwC3A"><a href="./Khmer_language" id="mwC3E" rel="mw:WikiLink" title="Khmer language">Khmer</a></b>, the language of Cambodia and the <a href="./Khmer_Empire" id="mwC3I" rel="mw:WikiLink" title="Khmer Empire">Khmer Empire</a>, has a 1400-year written history?