The Roman Empire never actually fell but relocated it's capital to Byzantium and converted to Christianity at around the same time because of the emperor Constantine the Great. This move is often stated to have ended the Roman Empire in 476 AD but the peoples of Byzantium and those they ruled never stopped calling themselves Romans and never called their empire the Byzantine Empire as this was a fabrication by historians to separate the pagan Roman Empire from the Christian Roman Empire and to separate the Holy Roman Empire from the Roman Empire to prevent confusion. The Roman Empire with it's capital at Byzantium / Constantinople fell in 1453 with the fall of Constantinople meaning that the Roman Empire after it moved to Constantinople lasted around 977 years.
Constantinople was the capital of the Roman Empire under Emperor Constantine the Great around 330 AD.
Constantinople became the new capital in the year a.d. 312
The capital of the Roman empire was Rome and later Ravinia, in the West. In the East it was Constantinople.
Constantinople was the capital of the Byzantine/Eastern Empire. It wasn't the capital of the whole empire, but it was a major city for sure.
CONSTANTINOPLE
After the capital of the Roman Empire was moved to Constantinople, the Empire lasted over 1000 years.
about 100 years
Roman Empire
For how many years constantinople the capital of a united roman empire ?
Constantinople did not have a capital, it was a capitol. It was the capital of the Byzantine or Eastern Roman empire.
It was a strategic move of the capital of the roman empire from rome to constinople. The high walls lasted from lots of invasions.
Constantinople was the capital of the Roman Empire under Emperor Constantine the Great around 330 AD.
Constantinople became the new capital in the year a.d. 312
the capital of the Eastern Empire was Constantinople
Constantinople.
Constantinople was the administrative capital of the Roman Empire from 330 AD. It was the capital of the East Roman Empire, and then of the medieval Roman Empire, now usually called the Byzantine Empire, until 1453, with a hiatus from 1203 to 1265.
The capital of the Roman empire was Rome and later Ravinia, in the West. In the East it was Constantinople.