Constantine moved the capital of the Roman Empire to Byzantium, later known as Constantinople, leading to the establishment of the Byzantine Empire.
Constantine moved the capital of the Roman Empire from Rome to the Greek city of Byzantium, which he renamed Constantinople in 330 CE. This shift marked the beginning of the Byzantine Empire, which lasted until 1453 CE. Constantinople became a powerful fortress controlling key trade routes between Europe and Asia.
https://brainly.com/question/42132349