Source of the Danube of Baden): “Danube, the biggest river of Germany, rises at the Martinskapelle in a wild and lonely area of the Black Forest, is called Brege at its origin and forms the river Danube in Donaueschingen where it is unified with the Brigach." (German original: „Donau, der größte Fluß Deutschlands, entspringt bei der Martinskapelle in einer wilden und einsamen Gegend des Schwarzwaldes, heißt am Anfang Brege… und bildet erst in Donaueschingen, wo sie sich mit der Brigach vereinigt, die Donau.“) The identification of the main spring in the uppermost Bregtal (also called Katzensteig) is dependent on a defining convention: Instead of
Army of the Danube March 1799, the Army of the Danube engaged in two major battles, both in the southwestern German theater. At the Battle of Ostrach, 20–22 March 1799, the first battle of the War of the Second Coalition, Austrian forces, under the command of Archduke Charles, defeated French forces. The French suffered significant losses and were forced to retreat from the region, taking up new positions at Messkirch (also spelled Mößkirch or Meßkirch), and then at Stockach and Engen. At the second battle, in Stockach, on 25 March 1799, the Austrian army achieved a decisive victory over the French forces, and again