The Battle of Nördlingen took place on September 6, 1634, during the Thirty Years' War. It was fought between the forces of the Holy Roman Empire, supported by the Spanish Empire, and the Swedish army, which was allied with various German Protestant states. The battle resulted in a decisive victory for the Imperial-Spanish forces, significantly weakening the Swedish presence in Germany. Following the battle, the defeat led to a shift in the balance of power in the region. The victory allowed the Imperial forces to regain control over southern Germany, while the Swedish army faced challenges in maintaining their influence. This battle was a key moment in the ongoing conflict of the Thirty Years' War.