papal conclave, 1458
... that the main candidate to replace Pope Callistus III died two days before the beginning of the papal conclave, 1458?
... that the main candidate to replace <a class="mw-redirect" href="./Pope_Callistus_III" id="mwDwk" rel="mw:WikiLink" title="Pope Callistus III">Pope Callistus III</a> died two days before the beginning of the <b id="mwDwo"><a class="mw-redirect" href="./Papal_conclave,_1458" id="mwDws" rel="mw:WikiLink" title="Papal conclave, 1458">papal conclave, 1458</a></b>?