Battle of Pliska, 811 AD Trapped in the Balkan Mountains DOCUMENTARY

The Eastern Roman Empire began to recover under the Asorian Dynasty, with significant military and administrative reforms. Meanwhile, Bulgaria faced political instability, which Constantine the 5th exploited. Irene's reign saw financial mismanagement, leading to her downfall. Khan Krum of Bulgaria expanded his territory, culminating in the decisive Battle of Barbiza Pass, where the Byzantines suffered a major defeat, solidifying Bulgaria's regional power.

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