Санта-Кроче-ин-Джерусалемме
In 1962 Pope John XXIII created him Cardinal Priest of Santa Croce in Gerusalemme, and he resigned his diplomatic posts. From 1962 to 1965, Efrem Cardinal Forni attended the Second Vatican Council, during the course of which he participated in the 1963 papal conclave that selected Pope Paul VI.