Jorge Cruickshank García
... that in 1976 socialist Jorge Cruickshank García became the first opposition senator of Mexico since the emergence of the Institutional Revolutionary Party as the ruling party?
... that in 1976 <a href="./Socialism" id="mwDF4" rel="mw:WikiLink" title="Socialism">socialist</a> <b id="mwDF8"><a href="./Jorge_Cruickshank_García" id="mwDGA" rel="mw:WikiLink" title="Jorge Cruickshank García">Jorge Cruickshank García</a></b> became the first opposition <a class="mw-redirect" href="./Senate_(Mexico)" id="mwDGE" rel="mw:WikiLink" title="Senate (Mexico)">senator</a> of <a href="./Mexico" id="mwDGI" rel="mw:WikiLink" title="Mexico">Mexico</a> since the emergence of the <a href="./Institutional_Revolutionary_Party" id="mwDGM" rel="mw:WikiLink" title="Institutional Revolutionary Party">Institutional Revolutionary Party</a> as the ruling party?