Battle of Jena–Auerstedt
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The twin battles of Jena and Auerstedt were fought on 14 October 1806 on the plateau west of the river Saale in today's Germany, between the forces of Napoleon I of France and Frederick William III of Prussia. Wikipedia
Date: 14 October 1806
Location: Jena and Auerstedt, Germany50°55′38″N 11°35′10″E / 50.92722°N 11.58611°E
Result: French victory
Territorial changes: Grande Armée occupies Prussia