UIG5634294 Allegory showing victims of the French Coup d\'Etat by Napoleon III 1851. by French School, (19th century); (add.info.: Allegory showing victims of the French Coup d\'Etat by Napoleon III 1851. Louis-Napoleon Bonaparte was the President of France from 1848 to 1852 and, as Napoleon III, the Emperor of the French from 1852 to 1870. Barred by the Constitution and Parliament from running for a second term, he organized a coup d\'etat in 1851 and then took the throne as Napoleon III on 2 December 1852).