2005 Armenian constitutional referendum
... that the British Council sponsored a "Rock the Referendum" concert for the 2005 Armenian constitutional referendum?
... that the <a href="./British_Council" id="mwC50" rel="mw:WikiLink" title="British Council">British Council</a> sponsored a "Rock the Referendum" concert for the <b id="mwC54"><a class="mw-redirect" href="./Armenian_constitutional_referendum,_2005" id="mwC58" rel="mw:WikiLink" title="Armenian constitutional referendum, 2005">2005 Armenian constitutional referendum</a></b>?