Petitcodiac River
... that the Petitcodiac River once held some of the world's highest tidal bores, before a causeway was built in 1968?
... that the <b id="mwDRI"><a href="./Petitcodiac_River" id="mwDRM" rel="mw:WikiLink" title="Petitcodiac River">Petitcodiac River</a></b> once held some of the world's highest <a href="./Tidal_bore" id="mwDRQ" rel="mw:WikiLink" title="Tidal bore">tidal bores</a>, before a <a class="mw-redirect" href="./Petitcodiac_River_Causeway" id="mwDRU" rel="mw:WikiLink" title="Petitcodiac River Causeway">causeway</a> was built in 1968?