24 Meantime as a sign of heavenly gifts and a witness of Our paternal charity, We impart to you most lovingly, Venerable Brothers, and to all your clergy and the people entrusted to each one of you, the Apostolic Benediction. Given at Rome at St. Peter's, Oct. 5, 1920, the seventh year of Our Pontificate.
Source: Principi Apostolorum Petro (Vatican.va)