Begins with the Declaration of War by Prussia after the “Prussian Ultimatum” to France to withdraw all troops east of the river Rhine. Ends with the Peace of Tilsit.
Usually divided into the following campaigns:
Prussian (or Jena) Campaign of 1806: begins with French invasion of Saxon territory on 8 October 1806, and ends with Blücher’s capitulation 6 November 1806 at Ratkau. Prussian mobilisation begins 10 August
Russian (or Eylau-Friedland) Campaign of 1806-1807.