The Franco-Prussian War was the outcome of the progressive unification of German states after the Napoleonic Wars. Events came to a head when the Spanish throne was offered to a member of the Prussian Hohenzollern family, raising the possibility of a Prussian-Spanish alliance against France. The French government demanded assurances that no member of the Hohenzollern family would ever rule Spain and declared war when it was refused. What famously insulting telegram prompted France’s declaration? Discuss
Source: The Free Dictionary