The Army of Observation, approximately 34,000 men, crossed the Rhine River on 1 March 1799 between Kehl and Basil, and the following day was renamed the Army of the Danube.
The Army of Observation, in an Order of Battle of approximately 30,000 & nbps; men in four divisions, crossed the Rhine River on 1 March 1799 between Kehl and Basil. The following day, the Army of Observation was renamed the Army of the Danube.