1830–1831 Conclave
elected Gregory XVI14 December 1830 – 2 February 1831 · The long nineteenth century · Quirinal Palace, Papal States
A conclave was held from 14 December 1830 to 2 February 1831 to elect a new pope to succeed Pius VIII, who had died on 30 November. Of the 45 members of the College of Cardinals, all but nine attended.
Elected pope
Gregory XVI
Bartolomeo Cappellari
Succeeded
Pius VIII
Duration
51 days
83 ballots
Cardinal electors
45
locked in under conclave rules
Key officials
| Dean | Bartolomeo Pacca |
| Camerlengo | Pietro Francesco Galleffi |
Ballot-by-ballot tallies are destroyed by design — the paper is burned in the stove whose smoke announces the result — so this entry records what the Church documents: the dates, the electors, the number of ballots where known, and the man who walked out onto the balcony.