Today the Church celebrates Saint Leo the Great, Pope and Doctor of the Church, remembered as one of the most important popes of the early Church.

Elected Pope in 440, Leo worked tirelessly to strengthen the Church and defend the Christian faith during a period of theological controversy and political instability.

One of his greatest contributions came during debates about the identity of Christ. In his famous *Tome of Leo*, he clearly expressed the Church’s teaching that Jesus Christ is one divine Person with two natures, fully human and fully divine. His teaching greatly influenced the Council of Chalcedon in 451.

Leo also became known as a peacemaker. In 452, he famously met Attila the Hun during his invasion of Italy and helped negotiate his withdrawal.

Alongside these public responsibilities, Leo was a devoted pastor and gifted preacher. Many of his sermons survive today, revealing his deep understanding of Scripture and his desire to help ordinary Christians live out their faith.

Saint Leo died in 461. He was later declared a Doctor of the Church and is one of only a small number of popes traditionally given the title “the Great.”

His life reminds us that strong leadership in the Church must always be rooted in faith, prayer and service to Christ.

🙏 Saint Leo the Great, pray for us.