#OTD in 1857.
Eugène Sue's extended fiction Les Mystères du peuple is condemned on charges of offending morals and religion, the author having died on August 3.
According to Umberto Eco, parts of Sue's book Les Mystères du peuple served as a source for Maurice Joly in his 1864 work Dialogue in Hell Between Machiavelli and Montesquieu, a book attacking Napoleon III and his political ambitions.
https://en.wikipedia.org/wiki/Eug%C3%A8ne_Sue