How the Pope's Army Marched Against Prussia 1870 - Fall of Rome I Franco-Prussian War

While the Franco-Prussian War was raging in France, another armed conflict to the south was reaching its conclusion. The unification of Italy was not yet complete in the eyes of Italian nationalists because Rome and the Papal State still held out. After the defeat at Rome, the Papal Zouaves went on to France to fight the Prussian.