He establishes what will soon become the most important hospital of Baghdad .
' Adud al - Dawla , emir ( king of kings ) of the Buyid Dynasty , concludes a 10 - year peace treaty with the Byzantine Empire .
Adud al - Dawla establishes what will soon become the most important hospital of Baghdad .
' Adud al - Dawla , emir ( king of kings ) of the Buyid Dynasty , concludes a 10 - year peace treaty with the Byzantine Empire .