Topic summary
Octogesima adveniens
Papacy
Teachings and writings
- Apostolic constitutions
- Encyclicals
- Apostolic exhortations
- Motu proprio
- Apostolic letters
Church governance and reform
Ecumenism and diplomacy
Beatifications and canonizations
Legacy
Octogesima adveniens (The eightieth anniversary) is the incipit of the 14 May 1971 Apostolic Letter addressed by Pope Paul VI to Cardinal Maurice Roy, president of the Pontifical Council for the Laity and of the Pontifical Council for Justice and Peace, on the occasion of the eightieth anniversary of Pope Leo XIII's encyclicalRerum novarum. Generally known as A Call to Action on the Eightieth Anniversary of Rerum novarum, the letter discusses themes concerned with securing democratic foundations in society.