21 In this fond hope, We lovingly impart the Apostolic Blessing to each and every one of you, Venerable Brethren, to the flocks entrusted to your care, and to those individuals especially who will respond to Our entreaties in a devout and zealous spirit. Given at Rome, in St. Peter's, on the 26th day of September, in the year 1959, the first of Our Pontificate.
Source: Grata Recordatio (Vatican.va)