Battle of Aspern-Essling
In the Battle of Aspern-Essling, Napoleon crossed the Danube near Vienna, but the French and their allies were attacked and forced back across the river by the Austrians under Archduke Charles. Wikipedia
Dates: May 21, 1809 – May 22, 1809
Location: Vienna and Nationalpark Donau-Auen - Eingang Wien-Lobau