Question: The Battle of Wagram (5–6 July 1809) was a military engagement of the Napoleonic Wars that ended in a decisive victory for Emperor Napoleon I's French and allied army against which Central European multinational great power from 1804 to 1867 created by proclamation out of the realms of the Habsburgs?
Sentence (from "Austrian Empire"): It became a separate entity from the Empire entirely, joining with it in the dual monarchy of Austria-Hungary.
Relevant evidence: No