On September 15, 1965, Paul VI signed the apostolic letter in the form of a motu proprio titled "Apostolica Sollicitudo," which provided for the establishment of the Synod of Bishops.
The medal of St. Benedict is also known as the "devil-chasing medal" for it's power against evil. Here's what some of the symbols and phrases inscribed on the front and back of it mean
Pope Francis Appoints Archbishop Victor Fernandez as Prefect of the Congregation for the Doctrine of the Faith, Highlighting a New Direction in Church Teaching