Date | Celebration |
| 1962.10.11 – 1965.12.08 | Second Vatican Council Ecumenical Council Vatican II - Pope John XXIII, Apostolic Constitution Humanæ salutis Convocating the Second Vatican Council (1961.12.25)
- Pope John XXIII, Apostolic Exhortation Sacræ Laudis Asking for prayer for the approaching Council (1962.01.06)
 - Pope John XXIII, Motu Proprio Consilium Defining the day of opening of the Second Vatican Council (1962.02.02)
- Pope John XXIII, Apostolic Letter Œcumenicum Concilium For prayer for the Second Vatican Council (1962.04.28)
- Pope John XXIII, Apostolic Exhortation Novem per dies Pentecost novena for the Second Vatican Council (1963.05.20)
- Second Council of Vatican, Conciliar Constitution Sacrosanctum concilium / The Sacred Council “On the Sacred Liturgy” (1963.12.04)
 - Second Council of Vatican, Conciliar Decree Inter mirifica “On the Means of Social Communication” (1963.12.04)
- Second Council of Vatican, Conciliar Constitution Lumen gentium / The Light of Nations “On the Church” (1964.11.21)
- Second Council of Vatican, Conciliar Decree Orientalium Ecclesiarum / The Eastern Churches “On the Catholic Churches of the Eastern Rite” (1964.11.21)
- Second Council of Vatican, Conciliar Decree Unitatis redintegratio / The Restoration of Unity “On Ecumenism” (1964.11.21)
- Pope Paul VI, Apostolic Exhortation Quarta Sessio (1965.08.28)
- Second Council of Vatican, Conciliar Decree Christus Dominus / Christ the Lord “Concerning the Pastoral Office of Bishops In the Church” (1965.10.28)
- Second Council of Vatican, Conciliar Decree Perfectæ caritatis / Perfect Charity “On Renewal of Religious Life” (1965.10.28)
- Second Council of Vatican, Conciliar Decree Optatam totius “On Priestly Training” (1965.10.28)
- Second Council of Vatican, Conciliar Declaration Gravissimum educationis “On Christian Education” (1965.10.28)
- Second Council of Vatican, Conciliar Declaration Nostra ætate “On the Relation of the Church to Non-Christian Religions” (1965.10.28)
- Pope Paul VI, Apostolic Exhortation Postrema Sessio (1965.11.04)
- Second Council of Vatican, Conciliar Constitution Dei verbum / The Word of God “On Divine Revelation” (1965.11.18)
- Second Council of Vatican, Conciliar Decree Apostolicam actuositatem / The Apostolic Activity “On the Apostolate of the Laity” (1965.11.18)
- Second Council of Vatican, Conciliar Constitution Gaudium et spes / Joys and Hopes “On the Church In the Modern World” (1965.12.07)
- Second Council of Vatican, Conciliar Decree Ad gentes / To All Men “On the Mission Activity of the Church” (1965.12.07)
- Second Council of Vatican, Conciliar Decree Presbyterorum ordinis / The Order of Priests “On the Ministry and Life of Priests” (1965.12.07)
- Second Council of Vatican, Conciliar Declaration Dignitatis humanæ / The Dignity of the Human Person “On Religious Freedom” (1965.12.07)
- Pope Paul VI, Apostolic Letter In Spiritu Sancto For the closing of the Second Vatican Council (1965.12.08)
- Pope Paul VI, Motu Proprio Finis Concilio Œcumenico Vaticano II / Conclusion of the Second Vatican Council Establishing some postconciliar commissions (1966.01.03)
- Pope Paul VI, Motu Proprio Munus apostolicum Regarding decrees of the Second Vatican Council (1966.06.10)
- Sacred Congregation for the Doctrine of the Faith, Circular Letter Cum œcumenicum concilium “On certain sentences and possible errors on the interpretation of the decrees of the Second Vatican Council” (1966.07.24)
- Pope Paul VI, Motu Proprio Ecclesiæ Sanctæ Implementing four council decrees (1966.08.06)
|
| 1964.01.04 – 1964.01.06 | Pilgrimage to the Holy Land Holy Land Jordan papal journey |
| 1964.01.29 – 1964.02.09 | Winter Olympic Games 1964 (Innsbruck, Austria) Austria sports |
| 1964.10.10 – 1964.10.24 | Summer Olympic Games 1964 (Tokyo, Japan) Japan sports |
| 1964.11.28 – 1964.12.08 | 38ᵗʰ International Eucharistic Congress (Bombay, India) Eucharistic Congress |
| 1964.12.02 – 1964.12.05 | Apostolic Journey to India Eucharistic Congress India papal journey |
| 1964.12.31 – 1965.12.31 | Jubilee Year of Compostela 1965  jubilee |
