The emperor Caligula opposed the reading of The Odyssey, written more than 300 years before. He thought the epic poem was dangerous because it expressed Greek ideals of freedom.
Under the emperor Diocletian, the texts of the followers of Mani, the Manichaeans, were ordered to be burned as well as their leaders.
Conclusion
Well, I hope that I have given you some things to ponder and think about in regards to Libraries and Banned Books. Looking forward to your comments and thoughts in the comments.