The Faerie Queene- by Edmund Spencer is a famous-

The Faerie Queene, one of the great long poems in the English language, written in the 16th century by Edmund Spenser. As originally conceived, the poem was to have been a religious-moral-political allegory in 12 books, each consisting of the adventures of a knight representing a particular moral virtue; Book I, for example, recounts the legend of the Red Cross Knight, or Holiness. The knights serve the Faerie Queene, who represents Glory and Queen Elizabeth I. Source: https://www.britannica.com/topic/The-Faerie-Queene