The Battle of Dyrrhachium occurred during a period of significant transition and conflict for the Byzantine Empire. The Normans, under the command of Robert Guiscard, were consolidating their power in southern Italy and turning their attention toward the Byzantine Empire, which had been weakened by internal strife and external threats. Guiscard sought to exploit this vulnerability by launching an invasion aimed at capturing the Byzantine territories in the Balkans. The city of Dyrrhachium, strategically located on the Adriatic coast, became the focal point of this military encounter.

The Normans utilized their renowned cavalry tactics to engage the Byzantine forces, which relied more on infantry and heavily armored troops. The battle unfolded with fierce clashes, and the Normans’ ability to maneuver and engage effectively resulted in a decisive victory. Notably, the use of cavalry played a crucial role, as the Normans were able to outflank and create chaos within the Byzantine ranks. Following this victory, the Normans began to extend their influence over the region further, posing a significant threat to what remained of Byzantine authority.

The aftermath of the battle revealed the declining military effectiveness of the Byzantine army, leading to increased instability across the empire. Despite this loss, the Byzantines would eventually regroup and reformulate their military strategies in an attempt to regain lost territories. However, the battle signified a turning point in the power dynamics of the region, highlighting the emergence of the Normans as a formidable force and setting the stage for further conflicts between these two great powers in the years to come.