<a href="https://en.wikipedia.org/wiki/Trần_Thánh_Tông" id="mwHA" rel="mw:WikiLink" title="Trần Thánh Tông">Trần Thánh Tông</a>, the second emperor of the <a href="https://en.wikipedia.org/wiki/Trần_dynasty" id="mwHQ" rel="mw:WikiLink" title="Trần dynasty">Trần dynasty</a>, decides to pass the throne to his crown prince <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Trần_Khâm" id="mwHg" rel="mw:WikiLink" title="Trần Khâm">Trần Khâm</a> and take up the post of Retired Emperor.