ENCYCLICALS OF JOHN XXIII
Truth, Unity and Peace (Ad
Promulgated 29 June
1959, the first encyclical of John XXIII's reign discusses the
three objectives of truth, unity and peace and indicates how
they may be achieved and advanced in a spirit of charity.
St. John Vianney (Sacerdotii
In this encyclical,
promulgated 1 August 1959, Pope John XXIII strives to help the
clergy to foster and grow in friendship with Christ as the main
source of the joy and fruitfulness of their priestly life.
the Rosary (Grata Recordatio)
September 1959, this encyclical concerns the rosary, prayer for
the Church, the missions and international and social problems.
the Missions (Princeps
November 1959, concerns the need of extending God's kingdom to
the many parts of the world where missionaries labor zealously
that the Church may grow and produce wholesome fruits.
and Social Progress (Mater
groundbreaking encyclical, promulgated on 15 May 1961, Pope John
XXIII says "though the Church's first care must be for
souls, she concerns herself too with the exigencies of man's
daily life, with his livelihood and education, and his general,
temporal welfare and prosperity."
St. Leo the Great (Aeterna
Promulgated on 11
November 1961, commemorating the fifteenth centennial of the
death of Pope St. Leo I and focuses on the See of Peter as the
center of Christian unity.
the Need for Penance (Paenitentiam
Promulgated on 1 July
1 1962, on the need for the practice of interior and exterior
on Earth (Pacem In Terris)
In his final and perhaps
best known encyclical, promulgated 11 April 1963, John XXIII
tells us that, "Peace on earth, which all men of every era
have most eagerly yearned for, can be firmly established only if
the order laid down by God be dutifully observed.