referendum
... that Guinea was the only French colony to reject the 1958 constititution in a referendum, thereby opting for independence?
... that <a href="./Guinea" id="mwFjs" rel="mw:WikiLink" title="Guinea">Guinea</a> was the only <a href="./French_colonial_empire" id="mwFjw" rel="mw:WikiLink" title="French colonial empire">French colony</a> to reject the <a href="./Constitution_of_France" id="mwFj0" rel="mw:WikiLink" title="Constitution of France">1958 constititution</a> in a <b id="mwFj4"><a class="mw-redirect" href="./Guinean_constitutional_referendum,_1958" id="mwFj8" rel="mw:WikiLink" title="Guinean constitutional referendum, 1958">referendum</a></b>, thereby opting for independence?