TNA X Division Championship
... that the professional wrestling promotion Total Nonstop Action Wrestling (TNA) consider the TNA X Division Championship to be a world championship when most are heavyweight titles?
... that the <a class="mw-redirect" href="./Professional_wrestling_promotion" id="mwCTk" rel="mw:WikiLink" title="Professional wrestling promotion">professional wrestling promotion</a> <a href="./Total_Nonstop_Action_Wrestling" id="mwCTo" rel="mw:WikiLink" title="Total Nonstop Action Wrestling">Total Nonstop Action Wrestling</a> (TNA) consider the <b id="mwCTs"><a href="./TNA_X_Division_Championship" id="mwCTw" rel="mw:WikiLink" title="TNA X Division Championship">TNA X Division Championship</a></b> to be a <a class="mw-redirect" href="./World_Heavyweight_Championship_(professional_wrestling)" id="mwCT0" rel="mw:WikiLink" title="World Heavyweight Championship (professional wrestling)">world championship</a> when most are heavyweight titles?