Napoleon III, born Charles Louis Napoléon Bonaparte (20 April 1808 – 9 January 1873) was the only President of the Second French Republic (1848-1852) and the only emperor of the Second French Empire. He ruled as Emperor of the French until September 1870, when he was captured in the Franco-Prussian War. He holds the unusual distinction of being both the first titular president and the last monarch of France. He was the nephew of legendary French general and monarch Napoleon I.