Apostolic Letters

Apostolic Letter of the Holy Father Pope Leo XIV on the importance of Archaeology on the occasion of the Centenary of the Pontifical Institute of Christian Archaeology (11 December 2025)

Apostolic Letter In Unitate Fidei on the 1700^th Anniversary of the Council of Nicaea (23 November 2025)

Apostolic Letter issued “Motu Proprio” of the Supreme Pontiff Leo XIV on the Composition and Presidency of the Pontifical Commission for Vatican City State (19 November 2025)

Apostolic Letter in the form of a Motu Proprio Immota manet, on the central sector of the Diocese of Rome (11 November 2025)

Apostolic Letter ‘Drawing New Maps of Hope’ of Pope Leo XIV on the occasion of the 60^th anniversary of the Conciliar Declaration "Gravissimum educationis" (27 October 2025)

Apostolic Letter in the form of a «Motu Proprio» "Coniuncta cura" of His Holiness Pope Leo XIV (29 September 2025)