The decisive Swedish-Saxon victory at Breitenfeld allowed Gustavus Adolphus to launch a campaign against southern Germany. It was the King's most notable military victory and cemented his reputation of being one of the greatest military commanders in modern history. His army at Breitenfeld utilized an early form of combined arms and mobile units, combined with superior discipline, organizational flexibility and initiative. As the war progressed, several armies, including the imperial army, began to adopt the Swedish military doctrine.
