1939 Conclave
elected Pius XII1–2 March 1939 · The modern conclaves · Sistine Chapel, Apostolic Palace, Vatican City
A conclave was held on 1 and 2 March 1939 to elect a new pope to succeed Pius XI, who had died on 10 February. All 62 members of the College of Cardinals attended.
Elected pope
Pius XII
Eugenio Pacelli
Succeeded
Pius XI
Duration
2 days
3 ballots
Cardinal electors
62
locked in under conclave rules
Key officials
| Dean | Gennaro di Belmonte |
| Camerlengo | Eugenio Pacelli |
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.