1958 papal conclave

Election of Pope John XXIII

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 elected Cardinal Angelo Giuseppe Roncalli as the new pope. He accepted the election and took the name John XXIII. He was the second patriarch of Venice to be elected pontiff in the 20th century after Pius X.

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