Question: Maximilian, was the only monarch of the Second Mexican Empire, after a distinguished career in the Austrian Navy, he accepted an offer by who, he was the President of France from 1848 to 1852 and, as Napoleon III, the Emperor of the French from 1852 to 1870?
Sentence (from "Napoleon III"): He was the only president of the French Second Republic and the head of the Second French Empire.
Relevant evidence: No