Quadragesimo Anno §0

⁰ ENCYCLICAL OF POPE PIUS XI ON RECONSTRUCTION OF THE SOCIAL ORDER TO OUR VENERABLE BRETHREN, THE PATRIARCHS, PRIMATES, ARCHBISHOPS, BISHOPS, AND OTHER ORDINARIES IN PEACE AND COMMUNION WITH THE APOSTOLIC SEE, AND LIKEWISE TO ALL THE FAITHFUL OF THE CATHOLIC WORLD. Venerable Brethren and Beloved Children, Health and Apostolic Benediction. Forty years have passed since Leo XIII's peerless Encyclical, On the Condition of Workers , first saw the light, and the whole Catholic world, filled with grateful recollection, is undertaking to commemorate it with befitting solemnity.