GENERAL KNOWLEDGE

Detailed explanation-1: -The founder of the Byzantine Empire and its first emperor, Constantine the Great, moved the capital of the Roman Empire to the city of Byzantium in 330 CE, and renamed it Constantinople. Constantine the Great also legalized Christianity, which had previously been persecuted in the Roman Empire.

Detailed explanation-2: -He moved the capital of Rome and named it after himself. Constantinople was the second capital of Rome and it became the center of the Byzantine Empire, on a small strip of land between two seas. This city was so well protected that it would keep standing for the next thousand years!