"Hasan (died September 976), better known by his laqab as Rukn al-Dawla (Persian: رکنالدوله دیلمی), was the first Buyid amir of northern and central Iran (c. 935-976). He was the son of Buya." - (en.wikipedia.org 22.11.2021)
en
"Hasan (died September 976), better known by his laqab as Rukn al-Dawla (Persian: رکنالدوله دیلمی), was the first Buyid amir of northern and central Iran (c. 935-976). He was the son of Buya." - (en.wikipedia.org 22.11.2021)
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