William Gill
... that William Gill charted the first entrance to the port of Liverpool that could be navigated in all tides?
... that <b id="mwB9E"><a href="./William_Gill_(sea_captain)" id="mwB9I" rel="mw:WikiLink" title="William Gill (sea captain)">William Gill</a></b> charted the first entrance to the <a href="./Port_of_Liverpool" id="mwB9M" rel="mw:WikiLink" title="Port of Liverpool">port of Liverpool</a> that could be navigated in all tides?