Causes of the Franco-Prussian War volunteers at the Prussian embassy in Florence, and a Prussian diplomat visited Giuseppe Garibaldi in Caprera. After the fall of Napoleon III following the Battle of Sedan, Bismarck's demand for the return of Alsace caused a dramatic shift in that sentiment, which was best exemplified by the reaction of Garibaldi soon after the revolution in Paris, who told the "Movimento" of Genoa on 7 September 1870, "Yesterday I said to you: war to the death to Bonaparte. Today I say to you: rescue the French Republic by every means." Causes of the Franco-Prussian War The causes of the Franco-Prussian War
War of the Third Coalition however, secured mastery of the seas and decisively destroyed a Franco-Spanish fleet at the Battle of Trafalgar in October 1805. The Third Coalition itself came to full fruition in 1804–05 as Napoleon's actions in Italy (crowning himself with the Iron Crown of Lombardy) and Germany (notably the arrest and execution of the Duc d'Enghien) spurred Austria and Russia into joining Britain against France. The war would be determined on the continent, and the major land operations that sealed the swift French victory involved the Ulm Campaign, a large wheeling manoeuvre by the Grande Armée lasting from late August to mid-October