When Madame Bovary was written in the 1850s, it fell under the accusing eye of the French government for its perceived immorality. Flaubert recognized that the trial would only stoke interest, and that it would set the tone for his career.
Research:

Louis Le Prince, the Missing Inventor of Motion Pictures
48:10

Catacombs of Rome
40:37

SYMHC Classics: Operation Paperclip
38:47