Leo XIII

Events

1

Episodes

3

Years

1878

Every event in Historedia whose sources name Leo XIII, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. Death of Pius IX and election of Leo XIII

   1878

   Role: Pope

   1. 17 February 1878 · Apostolic PalaceDeath of Pius IX

      Pius IX died on 7 February 1878 at 5:40 pm, aged 85, while saying the rosary with his staff.

   2. 218-20 February 1878 · Sistine ChapelConclave of 1878

      The conclave assembled in the Sistine Chapel on 18 February 1878 and elected Pecci on the third ballot.

   3. 320 February 1878 · Sistine ChapelElection of Leo XIII

      Cardinal Gioacchino Pecci was elected as Pope Leo XIII on 20 February 1878.

Sources

1. Pope Leo XIII Wikipedia, revision of 2026-10-04
2. 1878 conclave Wikipedia, revision of 2026-08-19