Episode 1 of 8

Invasion of Bavaria

When
10 April 1809
Where
Bavaria
Part of
War of the Fifth Coalition: Austrian invasion of Bavaria and the Danube campaign to Wagram

Austrian forces crossed the Inn River into Bavaria, a French client state, initiating hostilities without a declaration of war.

On 10 April 1809, the Austrian army crossed the Inn River and invaded Bavaria. Archduke Charles stole a march on Napoleon, who was unprepared for the start of hostilities. This marked the beginning of the War of the Fifth Coalition, challenging Napoleon's dominance in Europe.

Sources

  1. Napoleon Wikipedia, revision of 2026-09-27
  2. Battle of Aspern–Essling Wikipedia, revision of 2026-09-20
  3. Battle of Eckmühl Wikipedia, revision of 2026-08-19

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.