BBC documentary series. Simon Sebag Montefiore charts the rocky course of Rome's rise to become the capital of western Christendom and its impact on the lives of its citizens, elites and high priests.
Rome casts aside its pantheon of pagan gods and a radical new religion takes hold. Christianity was just a persecuted sect until Emperor Constantine took a huge leap of faith, promoting it as the religion of Empire. But would this divine gamble pay off?
