#OTD in 1857. Madame Bovary by Gustave Flaubert is published by Michel Lévy frères.
On publication, the novel was attacked by the Paris prosecutor of the Second Empire for immorality and obscenity. Flaubert's trial, which began in January 1857, publicized the story in France. The first edition of 6,750 copies was an instant success, selling out in two months.
Madame Bovary at PG:
https://www.gutenberg.org/ebooks/14155
https://www.gutenberg.org/ebooks/2413