The Battle of Sajo took place in 904 AD between the forces of the Hungarian Kingdom and the Holy Roman Empire. This conflict was part of the larger struggle for control over Central Europe. The Hungarians, known for their cavalry tactics, aimed to defend their territory against the advancing imperial troops. The battle ended in a decisive victory for the Hungarians, solidifying their dominance in the region. This victory allowed the Hungarians to maintain their independence and continue their expansion into Europe, influencing the political landscape of the time.