Saint Julian the Apostate, also known simply as Julian, was a Roman Emperor who reigned from 361 to 363 AD. He is often remembered for his attempts to restore paganism in the Roman Empire after the rise of Christianity. Julian was a philosopher and writer, and he sought to revive traditional Roman religious practices and promote the worship of the ancient gods. Despite his efforts, Julian's reign was short-lived, as he died in battle against the Persians. His legacy is complex; while he is viewed as a champion of paganism, he is also seen as a significant figure in the history of Christianity and the decline of the Roman Empire.