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*Ashot II, who inherited the throne after his father's assassination in 914, liberated [[Bagrevand]], [[Shirak]], [[Gugark]], [[Aghstev]] valley from Arabs with his brother [[Abbas Bagratuni]] and according to Hovhannes Draskhanakerttsi occupied Tpghis and defeated the Arabian garrison. For the courage and endurance shown in these fights, was nicknamed "Iron".*In 915, during the new attack by the Arab troops of Yusuf, Ashot the Iron allied with the Byzantine Emperor Constantine VII Porphyrogennetos and received a helping force. *For many years, Ashot the Iron fought against the country's external enemies and internal self-centered forces. *In 921 with the victory in the battle of Sevan against the Arab troops of Atropatene, Ashot the Iron finally restored the country's independence and unity.