The Battle of Gammelsdorf was a pivotal conflict between Louis the Bavarian and his cousin Frederick I of Austria, rooted in the turbulent politics of the Holy Roman Empire during the early 14th century. Tensions had been escalating due to rival claims over territories and power, as both nobles sought to strengthen their influence in the region. The battle occurred in Gammelsdorf, a location in Bavaria, known for its strategic significance. Louis, who was aspiring to become king of the Romans, faced Frederick, who had been establishing a formidable power base in Austria.

During the encounter, Louis employed effective military strategies that capitalized on the terrain and his knowledge of local forces. His forces were well-prepared, and the engagement was marked by decisive maneuvers that outflanked Frederick's troops. As the battle progressed, Louis' forces gained the upper hand, leading to a significant rout of Frederick's army. This victory not only showed Louis' military capabilities but also served to solidify his standing among German princes and his aspirations for leadership.

In the aftermath of the battle, the defeat inflicted by Louis significantly weakened Frederick's political power and territorial claims. This set the stage for subsequent political maneuvers within the empire. Louis' victory fostered an environment conducive to his ambitions, eventually leading to his election as Holy Roman Emperor. The outcome of the battle echoed through the political landscape of the region, reshaping alliances and enmities among the noble class of the time.