Second French Empire

The regime of Napoleon III in France from 1852 to 1870, established after his coup d'état and ended by defeat in the Franco-Prussian War.

Napoleon III: Emperor of the French from 1852 to 1870 and nephew of Napoleon Bonaparte. His personal rule, political choices, and downfall defined the regime.
Bonapartism: A political tradition supporting centralized authority and popular legitimacy associated with the Bonaparte dynasty. It supplied the dynasty, symbols, and electoral appeal on which the regime relied.
Haussmann's renovation of Paris: The large-scale rebuilding of Paris directed by Georges-Eugène Haussmann under Napoleon III. Imperial authority reshaped the capital with broad boulevards, parks, and modern infrastructure.
French Third Republic: The French republican regime established in 1870 and lasting until 1940. It replaced the empire after military defeat and built a durable parliamentary republic.
Franco-Prussian War: The war between France and Prussia and its German allies from 1870 to 1871. French defeat captured Napoleon III and brought the empire to an abrupt end.
French Constitution of 1852: The constitution that established Napoleon III's authoritarian Second Empire. It concentrated executive power in the emperor while providing for elected assemblies.
French Second Republic: The French republic established after the Revolution of 1848 and replaced by Napoleon III's coup. Its constitutional conflict and presidential term limits preceded the empire.
French intervention in Mexico: France's military intervention in Mexico from 1861 to 1867, which installed Maximilian as emperor. Napoleon III pursued an ambitious overseas project that ended in French withdrawal and defeat.
First French Empire: The French imperial regime ruled by Napoleon I from 1804 to 1814, with a brief return in 1815. Napoleon III invoked his uncle's legacy while ruling in a different political and industrial age.
Battle of Sedan: The decisive 1870 battle in which Prussian-led forces defeated and captured Napoleon III's army. The emperor's capture destroyed the regime's military and political authority.

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