Behind Locked Doors: A History of the Papal Conclave - Special Episode 28

The papal conclave originated as a sequestered assembly of cardinals behind locked doors to elect the Bishop of Rome, evolving from turbulent early Church elections influenced by secular powers to a formalized ritual steeped in centuries of rules and tradition.Significant reforms, notably the 1059 decree by Nicholas II, the Third Lateran Council of 1179’s two-thirds majority rule, and Gregory X’s 1274 bull Ubi periculum, progressively shaped the conclave into a solemn, secretive process intended to ensure autonomy, consensus, and speed.Periods of schism, political interference, and corruption—from the 14th-century Avignon papacy and the Great Western Schism to Renaissance simony and modern state vetoes—revealed the conclave’s vulnerabilities and spurred further codification of rules, culminating in Pius X’s 1904 ban on external veto and John Paul II’s Universi Dominici Gregis in 1996.Today’s conclave, governed by detailed procedures for secrecy, voting, and smoke signals in the Sistine Chapel with electors under 80, reflects a global College of Cardinals and centuries of adaptation, yet remains an unpredictable spiritual contest guided by ritual and prayer.