Watch Constantine the Great: Emperor of New Rome (2026) : Full Movie Online Free Constantine the Great, son of General Constantius Chlorus, rose to power during the Tetrarchy, a division of the Roman Empire among four emperors. After succeeding his father in 306 and being acknowledged as the sole Emperor of the West in 310, he enacted significant military, economic, and religious reforms that unified the empire. This documentary explores his life and reign, highlighting his role in ending the persecution of Christians and the transition from polytheistic beliefs. It also touches on his personal intrigues, including the murder of his concubine Fausta, showcasing his complex legacy of power and grandeur.