1691 papal conclave
... that during the 1691 papal conclave, cardinals burned down their sleeping quarters in the Vatican while playing cards?
... that during the <b id="mwAR8"><a class="mw-redirect" href="./Papal_conclave,_1691" id="mwASA" rel="mw:WikiLink" title="Papal conclave, 1691">1691 papal conclave</a></b>, cardinals burned down their sleeping quarters in the Vatican while playing cards?