trolleybus system serving Dayton, Ohio
... that the trolleybus system serving Dayton, Ohio, in operation since 1933, is the second-oldest such system in the Western Hemisphere?
... that the <b id="mwC4s"><a href="./Trolleybuses_in_Dayton" id="mwC4w" rel="mw:WikiLink" title="Trolleybuses in Dayton">trolleybus system serving Dayton, Ohio</a></b>, in operation since 1933, is the second-oldest such system in the Western Hemisphere?