The impetus for the conflict was an effort to oust John George I, whose Saxon troops pussied out and caused the left flank of the eventual victors to be exposed.
The Duke of Hamilton manned river fortresses to allow this battle to take place, and it constituted the first real test for a reorganized force that featured four artillery pieces attached to each battalion.  The victorious general arrayed his troops with their backs to the Loberbach River and a treeline, having earlier marched from a beachhead at Peenemunde.  The impetus for the conflict was an effort to oust John George I, whose Saxon troops pussied out and caused the left flank of the eventual victors to be exposed. Pappenheim's inability to make a dent with his cavalry allowed the hakkapelitta to capture the enemy's field guns, while the defending general used his reserves to repulse the flank and smash the advancing line of the Catholic League.  Seeing the massacre of most of Tilly's forces and preceding Lutzen and Lech, FTP, identify this 1631 clash which marked the rise of Gustavus Adolphus and the opening of the Swedish phase of the Thirty Years War.
The Duke of Hamilton manned river fortresses to allow this battle to take place, and it constituted the first real test for a reorganized force that featured four artillery pieces attached to each battalion.  
Battle of {Breitenfeld}