Byzantine Emperor Constantius commissioned construction of the first Hagia Sophia in 360 A.D. At the time of the first church's construction, Istanbul was known as Constantinople, taking its name from Constantius' father, Constantine I, the first ruler of the Byzantine Empire.
Answers & Comments
Answer:
Byzantine Emperor Constantius
Explanation:
Byzantine Emperor Constantius commissioned construction of the first Hagia Sophia in 360 A.D. At the time of the first church's construction, Istanbul was known as Constantinople, taking its name from Constantius' father, Constantine I, the first ruler of the Byzantine Empire.