Final answer:
The birth of Christianity occurred during the reign of Augustus during the Roman Empire.
Step-by-step explanation:
The birth of Christianity occurred during the reign of Augustus during the Roman Empire. In approximately 33 CE, Jesus of Nazareth began preaching a new religion of salvation, which was later embraced by his followers and spread throughout the Roman Empire. The Romans, viewing Christianity as a challenge to state religious authority, sometimes persecuted Christians.