80 In furtherance of this expectation, Venerable Brethren, We lovingly impart to each and every one of you, and to the flocks committed to your watchful care, that earnest of the blessings of heaven, Our Apostolic Benediction. Given at Rome, at St. Peter's, on the eleventh day of November in the year 1961, the fourth of Our Pontificate.
Source: Aeterna Dei Sapientia (Vatican.va)