- president of France 1848–52, emperor of France 1852–70 (nephew of Napoleon I).
- full name Charles Louis Napoleon Bonaparte, known as Louis-Napoleon. 1808–73, Emperor of the French (1852–70); nephew of Napoleon I. He led two abortive Bonapartist risings (1836; 1840) and was elected president of the Second Republic (1848), establishing the Second Empire in 1852. Originally successful in foreign affairs, he was deposed after the disastrous Franco-Prussian War
