a Las Vegas TV station
... that in 1956, a Las Vegas TV station may have been the only 24-hour TV station in the U.S.?
... that in 1956, <b id="mwAjk"><a href="./KTNV-TV" id="mwAjo" rel="mw:WikiLink" title="KTNV-TV">a Las Vegas TV station</a></b> may have been the only 24-hour TV station in the U.S.?