In 1809, after a successful campaign about Eckmuhl, Napoleon had reached Vienna and was ready to gain final victory over the Austrian army. But Archduke Charles and his army were in place across the Danube River and ready to give battle. The resulting battles of Aspern-Essling and Wagram would be the largest battles in history at the time. Will Napoleon's reputation of invincibility be continued or will these battles result in his first significant setback?