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On the more important eastern front, the Empire rebuilt its defenses and went on the offensive. The Paulicians were defeated at the Battle of Bathys Ryax and their capital of Tephrike (Divrigi) taken.
In the year 878 B.C. Assyria Ashurnasirpal II, king of Assyria, conquered Suro, the main fortress of the governor of Suhum, of the Babylonian state.