The Holy Martyrs of Vietnam

Saint Andrew Dung-Lac and the Holy Martyrs of Vietnam are 117 individuals who endured tremendous suffering and eventual death because of their Catholic Faith. They weren’t all martyred at the same time, but persecutions went on for nearly three hundred years. And there were far more than these 117 martyrs – there were some 100,000 people martyred for their faith, but their names are known only to God.

Christian missionaries first brought the Catholic faith to Vietnam during the 16th century. The traditional Vietnamese religion is Buddhism, mixed with elements of Taoism, Confucianism and the cult of ancestors. When Christianity came with missionaries early in the 16th century, it was seen as a foreign element and during those following three centuries the Faith became the object of persecution.

Over that time various emperors banned all foreign missionaries and ordered Vietnamese Christians to renounce Christianity by trampling on a crucifix. Churches were to be destroyed and teaching Christianity forbidden. Very many suffered death or extreme hardship.

Imprisoned bishops, hardly 30 years old, were mocked in prison, and were given a piece of bamboo as crozier and a paper mitre to wear – much like Jesus was mocked by the soldiers when he was arrested, and made to wear a crown of thorns. Older priests were put on display in cages to be publicly mocked, and simple poor peasants were murdered for refusing to trample on a crucifix. These tortures were barbaric and the persecutions have been compared with those of ancient Rome.

During the persecutions, Christians were marked on their faces with the words which meant “false religion,” husbands were separated from their wives, and children from their parents. Christian villages were destroyed and their possessions distributed. It wasn’t until 1862 that there was religious freedom, which marked the beginning of the end of the persecutions.

O God, by whose providence the blood of the martyrs is the seed of the Church: Grant that we who remember before thee St. Andrew Dung-Lac and his Companions, the Holy Martyrs of Vietnam, may, like them, be steadfast in our faith in Jesus Christ, to whom they gave obedience even unto death, and by their sacrifice brought forth a plentiful harvest; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee and the Holy Spirit, one God, for ever and ever. Amen.

Pope St. Clement I, Martyr

St. Clement I of Rome (92-101) was one of the first popes. According to St. Ireneus, he was the third after Peter, following Pope Linus and Pope Cletus. Clement died as a martyr, but otherwise we know little about his life. He may be the one Paul mentions as his companion in Phil. 4:3. St. Clement wrote a letter to the Corinthians, and we have the text of that, in which he intervenes as the Pope to that community, which had a number of troubles going on – showing us very early the place of the successor of St. Peter in the Church.

Because of his zeal for souls, Pope Clement was banished from Rome to a distant place, where he found two-thousand Christians who had also been banished. When he came to these exiles he comforted them. "They all cried with one voice: Pray for us, blessed Clement, that we may become worthy of the promises of Christ. He replied: Without any merit of my own, the Lord sent me to you to share in your crowns." When they complained because they had to carry the water six miles, he encouraged them, "Let us all pray to the Lord Jesus Christ that He may open to His witnesses a fountain of water." "While blessed Clement was praying, the Lamb of God appeared to him; and at His feet a bubbling fountain of fresh water was flowing." Seeing the miracle, "All the pagans of the neighborhood began to believe."

When the Emperor Trajan heard of these marvels, he ordered Clement to be drowned with an iron anchor around his neck. "While he was making his way to the sea, the people cried with a loud voice: Lord Jesus Christ, save him! But Clement prayed in tears: Father, receive my spirit." At the shore the Christians asked God to give them the body. The sea receded for three miles and there they found the body of the saint in a stone coffin within a small marble chapel; alongside lay the anchor. The body was taken to Rome by Sts. Cyril and Methodius and placed in a church dedicated to his honor (S. Clemente). This is one of the most venerable of the churches in Rome because it retains all the liturgical arrangements of ancient times.

O Everlasting Shepherd, favourably look upon thy flock: and keep it with perpetual protection, through the intercession of blessed Clement thy Pope and Martyr, whom thou didst appoint to be shepherd of the whole Church; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

Blessed Miguel Agustín Pro

A little over a century ago in Mexico an evil and militantly anti-Catholic government instituted and enforced laws against the Church in an attempt to completely erase the Catholic faith in that country. Baptisms were declared illegal; celebrating Mass was illegal; training men for the priesthood was illegal.

Resistance to this took different forms. Some were militant in their protests, taking up arms; others resisted peacefully. Huge numbers, both clergy and laity, were martyred. Today we remember one of them – a priest, Fr. Miguel Augustin Pro.

He was born in 1891, and from his childhood he was known for his happiness and his wonderful sense of humour. He was raised in a devoutly Catholic family, and at the age of twenty he became a Jesuit novice. He soon went into exile because of the Mexican revolution. He traveled to the United States, to Spain, to Nicaragua, and then to Belgium, where he was ordained to the priesthood in 1925.

He suffered greatly from a severe stomach problem which required several operations, but when his health did not improve, in 1926 his superiors allowed him to return to Mexico in spite of the religious persecution in the country.

The churches were closed and the priests ministered quietly and always in great danger. Father Pro spent the rest of his life in a secret ministry to the Faithful. In addition to fulfilling their spiritual needs, he also carried out the works of mercy by assisting the poor of Mexico City with their temporal needs. Many times he adopted disguises so that he could pass unnoticed.

The day came when he was betrayed to the police, being falsely accused of a bombing attempt. He was sentenced to death with no trial. On November 23rd, 1927, the day of his death, Father Pro forgave his executioners, he prayed, he refused the blindfold, and he died proclaiming “¡Viva Cristo Rey!,” (“Long live Christ the King!”).

The faith was not destroyed in Mexico. In fact, the Church continued to grow. The lively faith among the Catholics in Mexico today was purchased by the blood of brave souls like Blessed Miguel Pro, who would rather die than deny their faith in God.

Our God and Father, who didst confer upon thy servant Blessed Miguel Agustín Pro the grace of ardently seeking thy greater glory and the salvation of others: grant, through his intercession and example; that by faithfully and joyfully performing our daily duties and charitably assisting those around us, we may serve thee with zeal and ever seek thy glory; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

Our Saviour King

Jesus Christ, our Saviour King,

unto thee thy people sing;

hear the prayers we humbly make,

hear them for thy mercy's sake.

Lord Jesus Christ, O Lamb Divine,

fill our souls, and make us thine.

Give us eyes that we may see;

give us hearts to worship thee;

give us ears that we may hear;

in thy love, Lord, draw us near.

Lord Jesus Christ, O Lamb Divine,

fill our souls, and make us thine.

In our darkness, shed thy light;

lift us to thy heav'nly height;

may we be thy dwelling-place:

tabernacles of thy grace.

Lord Jesus Christ, O Lamb Divine,

fill our souls, and make us thine.

In thy Kingdom grant us rest,

in Jerusalem the blest;

with the saints our lips shall sing,

with the angels echoing:

Lord Jesus Christ, O Lamb Divine,

thou dost reign, and we are thine!

Text: Fr. Christopher G. Phillips, 1990

Music: "Lucerna Laudoniæ" by David Evans (1874-1948)

The Presentation of Mary

St. Joachim and St. Anne, the parents of the Blessed Virgin Mary, had prayed for a child, and part of their prayer was the promise that they would dedicate their child to the service of God. Little did they know at that time what great service would be given by their infant daughter.

When Mary reached the age of three, her parents fulfilled their vow. Together with their family and friends, they took her to the Temple. The High Priest and other Temple priests greeted the procession, and tradition says that the child was brought before the fifteen high steps which led to the sanctuary. It is said that the child Mary made her way to the stairs and, strengthened by the Holy Spirit, ascended all fifteen steps, coming to the Holy of Holies where only the High Priest could enter. Tradition then says that the High Priest, acting outside every rule he knew, led the Holy Virgin into the Holy of Holies, astonishing everyone present in the Temple. So it was that she, whose own womb would become the Holy of Holies, came into the presence of the God Whom she would bear.

St. Joachim and St. Anne returned to their home, but the Handmaid of the Lord remained in the Temple until her espousal, where she was prepared by God and protected by angels.

O God, who on this day didst vouchsafe that blessed Mary Ever-Virgin, the dwelling-place of the Holy Ghost, should be presented in the Temple: Grant, we beseech thee; that by her intercession we may be found worthy to be presented unto thee in the temple of thy glory; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the same Holy Ghost, ever one God, world without end. Amen.

St. Edmund, King and Martyr

On November 20th we commemorate St. Edmund, King and Martyr, who lived in the 9th century. He was the king of East Anglia, an independent kingdom within the confederation of kingdoms which comprised England at that time. His name, Edmund, meant “noble protection,” and as an earthly king he certainly lived up to his name. He had a reputation for compassion and the protection of the weak, of widows and of orphans. His greatest challenge, however, was the invasion of his kingdom by the Danish Vikings. They weren’t complete foreigners to the people of East Anglia. They were of the same race, and in fact, their languages were so similar that they were able to understand one another. No, there was only one essential difference between the Danish Vikings and the English - the Vikings were heathens, and the English were Christians.

The Vikings attacked and destroyed churches and monasteries, homes and villages, all throughout the kingdom. King Edmund fought side by side with the great Christian King Alfred. Edmund did his best, but he was finally overwhelmed by the huge numbers of Danes. At Hoxne in the north of Suffolk, King Edmund was captured. The Danes made him an offer: he could renounce his faith and become a puppet-king under them, or he could die. For King Edmund that was no choice at all. He would never renounce his Catholic faith, and so he chose death. There is an eyewitness report from that time, and it tells how he was scourged and bound, then tied to an oak-tree where the Danes fired arrows at him as for target practice. Finally, after suffering immensely from his many wounds, King Edmund was beheaded. His body was thrown to the wild beasts, but his loyal subjects secretly found his body, entombed him in a small chapel, and there he rested among his people. As they sought his heavenly intercession, God sent blessings upon them, and Edmund continued to be king in their hearts, as their faith in Christ the King grew stronger and stronger.

O God of ineffable mercy, thou didst give grace and fortitude to St. Edmund the king to triumph over the enemy of his people by nobly dying for thy Name: Bestow on us thy servants, we beseech thee, the shield of faith, wherewith we may withstand the assaults of our ancient enemy; through Jesus Christ our Redeemer, who liveth and reigneth with thee and the Holy Spirit, one God, now and for ever. Amen.

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During a parish pilgrimage to England a few years ago, we were able to celebrate Mass according to the Anglican Use, in the Lady Chapel of the Anglican Cathedral of Saint James in Bury St Edmunds.

The great Benedictine Abbey of Bury St Edmunds had been the destination of large numbers of pilgrims seeking to venerate the relics of St Edmund, the Anglo-Saxon king martyred in 869, whose body had been transferred there in the 10th century.

A church has stood on this site since at least 1065, when St Denis's Church was built within the precincts of Bury St Edmunds Abbey. In the early 12th century the Abbot Anselm had wanted to make a pilgrimage to Santiago de Compostela. He was unable to complete the pilgrimage, and instead rebuilt St Denis's and dedicated the new church to Saint James, which served as the parish church for the north side of Bury St Edmunds. After the dissolution of the monasteries in 1539, the Abbey fell into ruins, but the Church of St James remained and became the Anglican cathedral in 1914.

So far as is known, ours was the first celebration of a Catholic Mass on this site since the suppression of the Abbey in the 16th century.

Basilicas of St. Peter and St. Paul

We commemorate the Dedication of the Basilicas of St. Peter and St. Paul because the Church wants us to remember the importance of consecrated places in which the worship of God takes place. It reminds us of the importance of the consecration of every Catholic Church throughout the world. It is a reminder to us of the incarnational principle on which our faith is based – that God extends His spiritual blessings to us through the use of physical things. He took human flesh upon Himself. He has instituted seven sacraments which use outward forms to communicate inward grace. He has established a hierarchical Church, with a physical presence in the world, to be a sign of His own presence with us.

Defend thy Church, O Lord, by the protection of the holy Apostles: that, as she received from them the beginnings of her knowledge of things divine; so through them she may receive, even to the end of the world, an increase in heavenly grace; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

St. Elizabeth of Hungary

St. Elizabeth lived in the 13th century, and she was a princess, the daughter of the King of Hungary. She married the young man she had loved for as long as she could remember, Ludwig of Thuringia, and their life together was blessed with three children. St. Elizabeth took seriously her duties as wife and mother, and because of her deep love for Christ, she took seriously also her duty toward the poor. She embraced the words of our Lord, “Whatever you do to the least of these, you have done it to me.” She put herself at the service of widows and orphans, she cared for the sick and the needy. Her life was really an expression of her deep love – love for God, love for her husband and children, and love for those who had no one else to love them. Hers was a very beautiful life, and no doubt she would have liked it to go on like that forever.

But sometimes, things can change dramatically – we might not understand why, but it’s always for God’s purpose. St. Elizabeth experienced an especially painful change in her life when her husband, whom she so deeply loved, went off to the Crusades, and there he was killed. Elizabeth was devastated – and not only was she sorrowing for the death of her husband, but her husband’s family, who never approved of her charitable works, cast her and her children out of the family home, and left her with no means of support.

Here was Elizabeth, a princess and the widow of a nobleman, reduced to poverty, wandering with her children for a place to live, until a poor man whom she had helped previously was able to offer her shelter in an abandoned pig sty. Her faith sustained her – not only was she not bitter, but she put in even more effort to caring for the poor, with a renewed feeling for them, since she and her children were now counted among them. She supported herself and her children, as well as her works of charity, by spinning wool and making cloth to sell. She exhausted herself, and was only 24 years old when she died. Her feast day is November 16th.

O Lord God, who didst teach Saint Elizabeth of Hungary to recognize and to reverence Christ in the poor of this world: grant that we, being strengthened by her example and assisted by her prayers, may so love and serve the afflicted and those in need that we may honour thy Son, the servant King; who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

St. Margaret of Scotland

St. Margaret lived in the 11th century, and she was the great-niece of St. Edward the Confessor. She was a Saxon princess, but she was raised in Hungary in exile. Eventually, she and her parents returned to England, but she was forced flee once again after the Battle of Hastings. She went to the court of Malcolm, who was the King of Scotland.

Malcolm was an unrefined man, and Scotland was a wild place – but Margaret and Malcolm fell in love, and they were married. Margaret, in her gentle way and through her exemplary life, lived her Catholic faith in such a way that Malcolm and the people of Scotland gradually changed their ways to be more conformed to Christ’s teaching.

Margaret was a model mother and queen who brought up her eight children in an atmosphere of great devotion and she continued to work hard to improve the lives of the people of Scotland. She had a particular love for the poor, and provided for them out of her own resources, very often serving them herself.

O God, who didst call thy servant Margaret to an earthly throne that she might advance thy heavenly kingdom, and didst endue her with zeal for thy Church and charity towards thy people: mercifully grant that we who ask her prayers and commemorate her example may be fruitful in good works, and attain to the glorious fellowship of thy Saints; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

Sunday XXIII after Trinity

O GOD, our refuge and strength, who art the author of all godliness: be ready, we beseech thee, to hear the devout prayers of thy Church; and grant that those things which we ask faithfully we may obtain effectually; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

St. Frances Xavier Cabrini

St. Frances Xavier Cabrini was the first American citizen to be canonized. She was a naturalized citizen, having been born in Italy in 1850. Her parents were simple farmers, accustomed to hard work and little money, but always ready to welcome another child. In fact, St. Frances was the thirteenth child, and her mother was fifty-two years old when she was born. It was a devout Catholic family in which she was raised, and at night after the day’s work was done, the children would listen to their father read them stories of the saints. Young Frances was especially fascinated by the saints who went on missions to foreign countries.

St. Frances had a great desire to help others, and after she finished school she assisted in the local parish by teaching catechism, and visiting the sick and the poor. She also taught school, and supervised the running of an orphanage, where she was assisted by a group of young women. Their work became so well-known that the bishop in a neighboring diocese heard of their work, and he asked Frances to establish a missionary institute to work in the area of education. Frances did as the bishop requested, and she called this new community the Missionary Sisters of the Sacred Heart. They opened an academy for girls, and before long the work spread with the establishment of new houses.

One day Frances was contacted by Bishop Scalabrini, an Italian bishop who had a great concern for the many immigrants who were leaving Italy for a new life in the United States. It was not easy for these immigrants, and upon their arrival in America they would endure tremendous hardships, and were not being given adequate spiritual care. As Bishop Scalabrini described the situation to Frances, she was very moved by what he said, but it did not occur to her that she might have a part in the solution. It was not until she had an audience with Pope Leo XIII about the future of her religious foundation that she changed her plans. It was her intention to receive papal permission to go to the missions of the orient, but the Holy Father had another suggestion. “Not to the East, but go to the West,” he said to her. “Go to America.”

Now known as Mother Cabrini, she had no hesitation when she heard the Pope’s words. To America she went, and she landed in New York in 1889, immediately establishing an orphanage, and then set about her life’s work – that of seeing a need, and then working for a solution. She built schools, places for child care, medical clinics, orphanages, and homes for abandoned babies. The poor had no place to go when they became seriously ill, so she built a number of hospitals for the needy. At the time of her death, there were more than five thousand children receiving care in the various institutions she built, and her religious community had grown to five hundred members in seventy houses throughout North and South America, France, Spain, and England.

St. Frances Xavier Cabrini was a frail woman, of a very small stature, but she amazed others with her energy and imagination. She was constantly traveling, sailing the Atlantic twenty-five times to visit her various religious houses and institutions. It was in 1909 that she adopted the United States as her country and formally became a citizen.

As she reached the end of her life, she had given thirty-seven years to the works of charity she loved so much. In her final illness she was admitted to a hospital in Chicago, Illinois. She died while making dolls to be given to orphans at an upcoming Christmas party, her last activity a simple act of charity. Mother Cabrini was beatified in 1938, and canonized in 1946 by Pope Pius XII.

God our Father, who didst call Saint Frances Xavier Cabrini from Italy to serve the immigrants of America: by her example, teach us to care for the stranger, the sick, and all those in need; and by her prayers help us to see Christ in all whom we meet; through the same Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

St. Josaphat, Martyr for Unity

St. Josaphat was born about the year 1580 in what was the Polish province of Lithuania and was raised as an Eastern Rite Catholic. He had a deep devotion to the suffering of Christ, and looked at the schism between East and West as a wound in the Church as the Sacred Body of our Lord. As a young man in his mid-twenties he entered religious life, joining the Ukrainian Order of Saint Basil (known as the Basilians), and as a monk he gave himself over to penance and mortification, going barefoot even in winter, and eating only the poorest food.

In 1618, after living as a monk for nearly fifteen years, he was appointed to be archbishop of the Eastern Rite Diocese of Polotzk, and he devoted his energies to work for the reunion of the Church, all the while deepening the faith of his people through his preaching and his example. There were those in the Orthodox Church, not in union with Rome, who were very much against his work towards unity, and a group of them decided he must be stopped, making plans to assassinate him. In fact, St. Josaphat knew there were many who did not want unity, and he knew his life was in danger; however, he pressed forward in his work to heal the rift between East and West.

One day when he was visiting part of his diocese in territory which is now in Russia, his enemies made an attack on the place where he was staying, and many of those who were traveling with St. Josaphat were killed. Quietly and with humility, St. Josaphat went toward the attackers and asked them why they had done such a thing, saying to them, “If you have something against me, see, here I am.” The crowd screamed at him saying, “Kill the papist!” They ran towards him with their weapons, killing him with an axe-blow to his head.

St. Josaphat's body was thrown into the river, but it remained on the surface of the water, surrounded by rays of light, and was recovered. Those who had murdered him, when they were sentenced to death, repented of what they had done. Through the gentle example of St. Josaphat and helped by his heavenly intercession, through the grace of God they became Catholics.

Stir up in thy Church, we pray, O Lord, the Spirit that filled Saint Josaphat: that, as he laid down his life for the sheep; so through his intercession we, too, may be strengthened by the same Spirit and not fear to lay down our life for our brethren; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

St. Martin of Tours

When he was merely a boy, Martin became a Christian catechumen against his parents' wishes, and at the age of fifteen he was forced by his father, a pagan soldier, to be enrolled in the army.

It was on a winter's day, while stationed at Amiens, that Martin met a beggar almost naked and frozen with cold. Having nothing to give him, Martin cut his cloak in two and gave poor man half.

That night in a dream Martin saw Our Lord clothed in the half cloak, and heard Him say to surrounding angels: "Martin, yet only a catechumen, has wrapped Me in this garment." He decided to be baptized, and shortly after this he left the army.

Martin succeeded in converting his mother, but he was driven from his home by the Arian heretics who were powerful in that place, and he took shelter with the bishop, St. Hilary. Near Poitiers they founded first monastery in France, and in the year 372 St. Martin was made Bishop of Tours. The people of that area, though Christian in name, were mostly still pagan in their hearts and in their daily practice. Unarmed and attended only by his monks, St. Martin destroyed the heathen temples and groves, and then completed this courageous act by preaching the Gospel.

After witnessing many miracles at the hand of their bishop St. Martin, there was a complete conversion of the people. St. Martin’s last eleven years were spent in the humble work of travelling throughout Gaul, preaching and manifesting the power of God through his works and by the purity of his life.

O God, who seest that we are not able to stand in our own strength: mercifully grant that, through the prayers of blessed Martin thy Confessor and Bishop, we may be defended from all adversities; through Jesus Christ thy Son our Lord, who liveth and reigneth with thee, in the unity of the Holy Spirit, ever one God, world without end. Amen.

Veterans Day

November 11th is Veterans Day and was known originally as Armistice Day, marking the end of World War I at "the eleventh hour of the eleventh day of the eleventh month" in 1918. 

It is a day on which we honor all military veterans living today.  It should not be confused with Memorial Day which we keep in May, when we remember all those who gave their lives in defense of our nation. 

O Lord, we give You thanks for our veterans, for their willingness to risk all so that our nation might dwell in peace and safety. May they receive the honor and recognition they deserve. We pray for those who suffer from physical, spiritual, and psychological wounds, that they might know Your healing presence. We pray for our nation, that it may treasure the freedoms which have been won through the sacrifices and courage of those who have given themselves for the protection of others. Grant this through Christ our Lord. Amen.

Pope St. Leo and Attila the Hun

Pope St. Leo reigned twenty-one years as pope in the 5th century, and is the first pope to be titled "the Great." He truly was a great Pope, defending the Faith, and confirming the primacy of the Successors of St. Peter. But perhaps the most exciting thing Pope Leo did was when he had a confrontation with the infamous and cruel military leader, Attila the Hun. This is the story.

The Huns were a nomadic people, originating probably in Mongolia, but they migrated westward, sacking and pillaging whatever cities or towns that were in their way. Until the time of Attila in the 5th century, the Huns were comprised of a loose confederation of tribes, not really a unified people at all – that is, until Attila came on the scene. He unified them, and they were making their sweep across Europe. By the time of Pope Leo, Attila the Hun was busy ransacking most of Italy, and his plan included the sack of Rome. Attila hoped to add it to his possessions, not only for the riches it would give him, but he was also trying add to his number of wives, and the young woman he had his eye on would be impressed with his taking Rome, or so he thought.

Pope Leo, of course, wanted to protect Rome and keep its citizens alive, but here was Attila, looking to attack and plunder the city, and destroy the Church. With the approach of Attila and his mob of soldiers, Pope Leo went into prayer, committing his papacy to the patronage and protection of St. Peter, the apostle and first pope, and then Leo did a very brave thing – he arranged a meeting with Attila just outside the city of Rome. Nobody thought this was a very good idea – in fact, everyone in Rome was sure that Pope Leo would be immediately martyred by this conqueror who never hesitated to murder and destroy anything or anyone who got in his way.

Nonetheless, Pope Leo went to meet Attila. And then, one of the most dramatic moments in Christian history takes place: Attila calls off the sack of Rome. And Leo goes safely back to Rome. What happened? What made Attila retreat?

This is the account of that meeting: while Attila and Leo were conversing, Attila was shaking in his boots, because that during that conversation, Attila saw a vision like he had never seen before! Attila saw St. Peter himself hovering over Leo's head . . . with a huge sword drawn and pointed directly at him! Attila was certain he would be immediately killed if he didn’t withdraw and leave the area, so to save his own skin, Attila ran away from the Pope, who was armed only with the Truth.

And that's the story of how Pope Leo the Great saved Rome from being destroyed.

O Lord Jesu Christ, who didst strengthen thy holy Bishop and Doctor, Pope Leo, to maintain both by word and deed the verity of thy sacred Humanity: grant, we beseech thee; that guided by the light of his doctrine, we may earnestly defend the faith of thy holy Incarnation; who livest and reignest with the Father, in the unity of the Holy Spirit, ever one God, world without end. Amen.