For 10 points, name this war of 1870 to 1871 which helped Otto von Bismarck unify Germany.
The major event that caused this conflict was the reaction by France to the candidacy of Leopold, a Hohenzollern, for the throne of Spain after the Spanish Revolution. The French lost at Metz and Sedan, Napoleon III was captured, and Paris was surrounded and held under siege for four months before the Commune government was crushed. For 10 points, name this war of 1870 to 1871 which helped Otto von Bismarck unify Germany.
The major event that caused this conflict was the reaction by France to the candidacy of Leopold, a Hohenzollern, for the throne of Spain after the Spanish Revolution.
{Franco-Prussian} War