The 1447 papal conclave (March 4–6), meeting in the Roman basilica of Santa Maria sopra Minerva, elected Pope Nicholas V (Parentucelli) to succeed Pope...

and later papal bulls; observance of the conclave varied until 1294, but all papal elections since have followed relatively similar conclave procedures...

A papal conclave took place from 25 to 28 October following the death of Pope Pius XII on 9 October 1958. On the eleventh ballot, the College of Cardinals...

The papal conclave held on 25 and 26 August 1978 was the first of the two held that year. It was convoked to elect a successor to Paul VI, who had died...

Gregory X promulgated the papal bull Ubi periculum on 7 July 1274, during the Second Council of Lyon, establishing the papal conclave, whose rules were based...

The 1431 papal conclave (March 2–3) convened after the death of Pope Martin V and elected as his successor Cardinal Gabriele Condulmer, who took the name...

The papal conclave held from 18 to 20 February 1878 saw the election of Vincenzo Pecci, who took the name Leo XIII as pope. Held after the death of Pius...

The papal conclave held from 24 February to 31 March 1829 to elect a successor to the recently deceased Leo XII resulted in the accession of Cardinal Francesco...

The papal conclave held from 2 to 6 February 1922 saw Cardinal Achille Ratti elected to succeed Benedict XV, who had died on 22 January 1922. It took fourteen...

A papal conclave was held from 19 to 21 June 1963 to elect a successor of John XXIII, who had died on 3 June 1963. The cardinal electors assembled in Rome...