broadcast an entire NFL game without any announcers
... that 35 years ago today, NBC broadcast an entire NFL game without any announcers?
... that 35 years ago today, <a href="./NBC" id="mwBAI" rel="mw:WikiLink" title="NBC">NBC</a> <b id="mwBAM"><a class="mw-redirect" href="./Announcerless_Game" id="mwBAQ" rel="mw:WikiLink" title="Announcerless Game">broadcast an entire NFL game without any announcers</a></b>?<!--special occasion hook for December 20-->