Theater St. Gallen
... that the Theater St. Gallen is considered to be the oldest professional theatre in Switzerland?
... that the <i id="mwBvU"><b id="mwBvY"><a href="./Theater_St._Gallen" id="mwBvc" rel="mw:WikiLink" title="Theater St. Gallen">Theater St. Gallen</a></b></i> is considered to be the oldest professional <a href="./Theatre" id="mwBvg" rel="mw:WikiLink" title="Theatre">theatre</a> in <a href="./Switzerland" id="mwBvk" rel="mw:WikiLink" title="Switzerland">Switzerland</a>?