Mexican National Lightweight Championship
... that, being created in 1934, the Mexican National Lightweight Championship is one of the oldest professional wrestling championships still in use today?
... that, being created in 1934, the <b id="mwC5k"><a href="./Mexican_National_Lightweight_Championship" id="mwC5o" rel="mw:WikiLink" title="Mexican National Lightweight Championship">Mexican National Lightweight Championship</a></b> is one of the oldest <a href="./Professional_wrestling" id="mwC5s" rel="mw:WikiLink" title="Professional wrestling">professional wrestling</a> championships still in use today?