Pope Leo I

Leo I was born to a Roman family in Tuscany. His birth marked the beginning of a life that would profoundly influence the Church.

Leo begins his education in theology and church law, laying the foundation for his future ecclesiastical career.

Leo is ordained as a deacon by Pope Celestine I, marking the start of his official clerical duties in the Roman Church.

Leo attends the Council of Ephesus, which addresses the Nestorian controversy, gaining experience in ecclesiastical governance and theology.

Leo is sent as a papal legate to Gaul to resolve disputes between the imperial governors and the clergy, demonstrating his diplomatic skills.

Leo is elected as Pope Leo I, succeeding Pope Sixtus III. He is consecrated on September 29, 440, beginning his pontificate.

Leo sends the Tome to Flavian, the Patriarch of Constantinople, outlining the orthodox doctrine of Christ's two natures, which becomes a cornerstone of Christian theology.

Leo sends delegates to the Second Council of Ephesus, which becomes known as the Robber Council. His delegates protest the council's heretical decisions.

Leo presides over the Council of Chalcedon, which confirms the doctrine of the two natures of Christ and strengthens the authority of the papacy.

Leo travels to meet Attila the Hun, successfully negotiating the withdrawal of the Huns from Italy, earning him the title 'Defender of the Faith'.

Leo negotiates with Genseric, the Vandal king, to spare Rome from destruction, though the city is plundered. His diplomacy saves many lives.

Leo's letters and sermons are compiled and published, providing a comprehensive record of his theological and pastoral teachings.

Leo continues to strengthen the authority of the papacy, promoting the unity of the Church and defending orthodoxy against heresies.

Pope Leo I dies on November 10, 461, leaving a legacy as a defender of the faith and a key figure in the development of papal supremacy.