The Battle of Mogyoród was a pivotal moment in Hungarian history, occurring during a period marked by internal strife among the ruling elite. At the heart of the conflict were Dukes Géza and Ladislaus, who sought to claim the Hungarian throne against their cousin, Solomon, the reigning king. With the support of their loyal followers, the dukes gathered their forces and marched towards Mogyoród, where they confronted Solomon's army. The tensions had escalated due to Solomon's inability to maintain strong alliances and the growing discontent among various factions within Hungary. The dukes capitalized on this discontent, rallying forces and invoking support from the populace who were weary of Solomon's reign.

During the battle, the tactical decisions made by Géza and Ladislaus proved crucial in outmaneuvering Solomon's troops. The clash ultimately led to a vigorous defeat for Solomon, forcing him to flee and seek refuge in Hungary's western borderland. This retreat was significant as it marked a shift in the power dynamics within Hungary, further solidifying the authority of the dukes. The aftermath of the battle saw a reconfiguration of alliances and a reevaluation of loyal ties among the Hungarian nobility.

The battle at Mogyoród not only illustrated the fractious nature of Hungarian politics but also paved the way for reforms and a more cohesive effort to unify the nation. The dukes eventually gained support from various factions, strengthening their positions and setting the stage for future governance.