It is celebrated on September 30
Saint Jerome is one of the most popular saints of the Catholic Church. He is known as the "Doctor of the Church" and is considered one of the greatest scholars in history. Saint Jerome was a monk, translator, and theologian who lived in the fourth century. He is known for his Latin translation of the Bible, which is known as the Vulgate. Saint Jerome is also known for his writings on monastic life and his commentaries on various books of the Bible.
Biography and life of Saint Jerome
Saint Jerome was born in Stridon, a small town in Dalmatia, in the year 340. He was the son of Eusebius and Paula, a very pious Christian family. At sixteen he was sent to Rome to study grammar, rhetoric, and literature. There he met Pope Liberius, who advised him to study theology. Thus, Jerome moved to Aquileia to study under Bishop Vigilio.
Aquileia was an important center of theological studies, and Jerome soon became one of its best students. After completing his studies, he returned to Rome where he spent several years as secretary to Pope Damasus I. It was during this time that Jerome translated the Vulgate (the Latin version of the Bible), which would become the official version of the Catholic Church. If you'd like to learn more about his influence on theology, you can read the biography of Saint Jerome.
In the year 382, ​​Jerome went to the Holy Land with the purpose of living as a hermit in the desert. He settled near Betania, where he would found a female monastery directed by his friend and protector Eustoquia. Although he lived in solitude, Jerome was not completely cut off from the outside world: he corresponded with many ecclesiastical and intellectual personalities of his day and continued to translate sacred texts into Latin.
In the year 405 he returned briefly to Rome to defend his translation of the Vulgate before Bishop Innocent I; however, he soon returned to the Holy Land where he would spend the rest of his life. He died in Bethlehem on September 30, 420, and was buried next to the monastery that he himself had founded. 
Prayer to Saint Jerome
Prayer to Saint Anthony of Padua. (extensive, in stanzas) San Jerónimo.
Saint Anthony of Padua, glorious saint,
that with your word you praised the Lord,
and with your example you extolled his temple;
Saint Anthony of Padua, kind saint,
that with your charity you filled the world;
second sentence
O glorious Saint Jerome,
that with your example you have taught us to follow Christ wholeheartedly,
grant our souls the grace of penance,
so that we may obtain forgiveness for our sins. This prayer may be helpful for those seeking inspiration from the life of Saint Jerome.
Help us to overcome the difficulties of this world, and guide us along the path of virtue until we reach eternal life. Amen.
important things you did
1. He translated the Bible into Latin.
2. He wrote commentaries on many books of the Bible.
3. He was one of the first to study Hebrew and Aramaic.
4. He was one of the first to translate the Bible into Latin from the Hebrew and Aramaic originals.
5. He wrote many works on Christian theology, exegesis, and apologetics.
6. He helped promote the study of the Holy Scriptures among the Christians of his day.
7. He was one of the main promoters of the monastic movement in the West.