That army was fighting under the Prussian eagle banner.,In that very instant, even the most fearless warrior would find himself bound by fear, losing his courage to continue fighting in the midst of terror. As inevitable defeat approached, he could not help but cry out in anguish.,After arriving in Austria, on July 22, 1818, his maternal grandfather, Emperor Francis I of Austria, issued a decree cancelling his Napoleonic name and replacing it with the Germanized "Franz" as his new name; simultaneously, he revoked his titles of Roman King and all other honors, instead bestowing upon him the title of Duke of Lechstedt.。