Constantine I (Roman emperor)

Pope Leo XIV's historic journey to Turkey and Lebanon: a symbolic voyage blending homage, interreligious dialogue, ecumenism, and compassion in the face of contemporary challenges. A powerful gesture for peace, reconciliation, and hope at the heart of civilizations.

Pope Leo XIV's first apostolic journey to Turkey and Lebanon, from November 27 to December 2, 2025, emphasizes a message of peace, Christian unity, and interreligious dialogue. This ecumenical pilgrimage, marked by the commemoration of the Council of Nicaea in Iznik, aims to strengthen peaceful coexistence in a historically complex region, while also engaging with local populations, particularly young people.

Apostolic Letter "In unitate Fidei" of Pope Leo XIV on the commemoration of the Council of Nicaea, in preparation for his ecumenical trip to Turkey and Lebanon (27 Nov. - 3 Dec.).

Discover the history of Christianity in Gaul before Clovis, its beginnings, persecutions and ecclesiastical development in the 4th century.

Bethlehem is preparing for the complete restoration of the Grotto of the Nativity in 2026, a holy site steeped in history and faith. This project, the result of international and interfaith cooperation, aims to preserve this universal symbol while revitalizing religious celebrations and tourism, which are bearers of hope and peace.

Celebration of the Feast of the Dedication of the Lateran Basilica in Rome, a historical memorial and sign of unity for the universal Catholic Church. Honoring the first Christian cathedral, built by Emperor Constantine in 324, a symbol of living faith and communion among the Churches. An invitation to recognize Christ as the cornerstone and to build a living Church in the hearts of believers. Prayer, meditation, and community engagement to experience this feast in a spirit of unity and hope.

Pope Leo XIV will make his first apostolic journey from November 27 to December 2, 2025, to Turkey and Lebanon: commemoration of Nicaea, ecumenical and diplomatic dialogues.