Hello Historical narrative would be long and wordy, while the timeline would be short and to the point.
Answer:
Constantine the Great
Explanation:
The city is located in what is now the European side and the core of modern Istanbul. The city is still referred to as Constantinople in Greek-speaking sources. In 324 ancient Byzantium became the new capital of the Roman Empire by Emperor Constantine the Great, after whom it was renamed, and dedicated on 11 May 330.
Answer: The third answer is Dwight Eisenhower if you have the question asking who was the commander of allied powers.