The reign of Emperor Constantine the Great (306–337 CE) stands as one of the most critical turning points in world history. By halting the brutal persecution of Christians and personally adopting the faith, Constantine initiated the transformation of the Roman Empire from a pagan superpower into a Christian state. This dramatic religious and political shift is frozen in stone at the heart of Rome’s monumental center through the Arch of Constantine . Erected in 315 CE to celebrate his ten-year ju