What's the relationship between Virgil and Christianity?

In the middle ages, Virgil was regarded as a saint by Christianity; His Aeneas was regarded as a sacred prophecy book in the Middle Ages, and Virgil's prophecy was derived from this book. Virgil's most famous influence in the history of literature is Dante's Divine Comedy, in which he appears as Dante's protector and teacher.

Publius vergilius maro (Latin: publius vergilius maro, often translated from English Virgil or Virgil into Virgil) was an ancient Roman poet in Augustus' time.

His works include three masterpieces: Pastoral, King George and Aeneas. Among them, the 12-volume Aeneas is the masterpiece representing the highest achievement of Roman Empire literature. Therefore, he was also regarded as a national poet by the Romans, and was widely regarded as the greatest poet in ancient Rome and even one of the greatest writers in the history of world literature by contemporary and later generations.

Virgil's masterpiece Aeneas is an epic based on Homer. This work of Virgil has had a wide and far-reaching influence on later generations. Writers influenced by Virgil include but are not limited to: Roman poets Horace and Ovid; Italian poet Dante; British writers Spencer, Milton, Pope, Shakespeare, Keats; American writer Thoreau, etc.