Title: Religion in Rome
Content:  the way to Greece, to consult the famous Oracle at Delphi. Livy, Book 5. Several other religions and imported mystery cults remained represented within its ever-expanding boundaries during the Roman Republic and Empire periods, including Judaism, whose presence in the city dates back from the Roman Republic and was sometimes forcibly confined to the Roman Ghetto, as well as Mithraism, until being superseded by Christianity, following the death of Emperor Constantine in the 4th century. Christianity was made the official religion of the Roman Empire in 380 by Emperor Theodosius I, allowing it to spread further and eventually wholly replace Mithraism in the Roman Empire.
Title: Christianization of the Roman Empire
Content:  Roman religion at the beginning of the Roman Empire (27 BCE - 476 CE) was polytheistic and local. Each city worshipped its own set of gods and goddesses that had originally been derived from ancient Greece and become Romanized. This polis-religion was embedded in, and inseparable from, "the general structures of the ancient city; there was no religious identity separate from political or civic identity, and the essence of religion lay in ritual rather than belief". Private religion and its public practices were under the control of public officials, primarily, the Roman Senate. Religion was central to being Roman, its practices widespread and intertwined with politics. Members of a polytheistic group were expected to demonstrate 'piety' by observing 
Title: Persecution of Christians in the Roman Empire
Content:  Roman religion at the beginning of Roman Empire (27 BC - 476 AD) was polytheistic and local. Each city worshipped its own set of gods and goddesses that had originally been derived from ancient Greece and become Romanized. This polis-religion was embedded in, and inseparable from, "the general structures of the ancient city; there was no religious identity separate from political or civic identity, and the essence of religion lay in ritual rather than belief". Private religion and its public practices were under the control of public officials, primarily, the Senate. Religion was central to being Roman, its practices widespread, and intertwined with politics. Support 
Title: Religion in ancient Rome
Content:  Tullius was murdered and succeeded by the arrogant Tarquinius Superbus, whose expulsion marked the beginning of Rome as a republic with annually elected magistrates. Roman historians regarded the essentials of Republican religion as complete by the end of Numa's reign, and confirmed as right and lawful by the Senate and people of Rome: the sacred topography of the city, its monuments and temples, the histories of Rome's leading families, and oral and ritual traditions. According to Cicero, the Romans considered themselves the most religious of all peoples, and their rise to dominance was proof they received divine favor in return.
Title: Roman imperial cult
Content:  For five centuries, the Roman Republic did not give worship to any historic figure, or any living man, although surrounded by divine and semi-divine monarchies. Rome's legendary kings had been its masters; with their removal, Republican Romans could identify Romulus, the founder of the city, with the god Quirinus and still retain Republican liberty. Similarly, Rome's ancestor-hero Aeneas was worshipped as Jupiter Indiges. The Romans worshipped several gods and demi-gods who had been human, and knew the theory that all the gods had originated as human beings, yet Republican traditions (mos maiorum) were staunchly conservative and anti-monarchic. The aristocrats who held almost all Roman magistracies, and thereby occupied almost all of the Senate, 
Title: Roman Empire
Content:   Religion in the Roman Empire encompassed the practices and beliefs the Romans regarded as their own, as well as the many cults imported to Rome or practiced by peoples throughout the provinces. The Romans thought of themselves as highly religious, and attributed their success as a world power to their collective piety (pietas) in maintaining good relations with the gods (pax deorum). The archaic religion believed to have been handed down from the earliest kings of Rome was the foundation of the mos maiorum, "the way of the ancestors" or "tradition", viewed as central to Roman identity. There was no 
Title: Roman Republic
Content:  religious authorities were unconcerned with personal beliefs or privately funded cults, unless they offended natural or divine laws, or undermined the mos maiorum (roughly, "the way of the ancestors"); the relationship between gods and mortals should be sober, contractual, and of mutual benefit. Undignified grovelling, excessive enthusiasm (superstitio) and secretive practises were "weak minded" and morally suspect. Magical practises were officially banned, as attempts to subvert the will of the gods for personal gain, but were probably common among all classes. Private cult organisations that seemed to threaten Rome's political and priestly hierarchy were investigated by the Senate, with advice from the priestly colleges. 
Title: Religion in ancient Rome
Content:   The priesthoods of public religion were held by members of the elite classes. There was no principle analogous to separation of church and state in ancient Rome. During the Roman Republic (509–27 BC), the same men who were elected public officials might also serve as augurs and pontiffs. Priests married, raised families, and led politically active lives. Julius Caesar became pontifex maximus before he was elected consul. The augurs read the will of the gods and supervised the marking of boundaries as a reflection of universal order, thus sanctioning Roman expansionism as a matter of divine destiny. The Roman triumph was at its core a religious procession in which 
Title: Culture of ancient Rome
Content:  The Romans thought of themselves as highly religious, and attributed their success as a world power to their collective piety (pietas) in maintaining good relations with the Gods. According to legendary history, most of Rome's religious institutions could be traced to its founders, particularly Numa Pompilius, the Sabine second King of Rome, who negotiated directly with the Gods. This archaic religion was the foundation of the mos maiorum, "the way of the ancestors" or simply "tradition," viewed as central to Roman identity. The priesthoods of public religion were held by members of the elite classes. There was no principle analogous to "separation of church and state" 
Title: Religion in ancient Rome
Content:  as central to Roman identity. Roman religion was practical and contractual, based on the principle of do ut des, "I give that you might give". Religion depended on knowledge and the correct practice of prayer, ritual, and sacrifice, not on faith or dogma, although Latin literature preserves learned speculation on the nature of the divine and its relation to human affairs. Even the most skeptical among Rome's intellectual elite such as Cicero, who was an augur, saw religion as a source of social order. As the Roman Empire expanded, migrants to the capital brought their local cults, many of which became popular among Italians. Christianity was in the 

Question: What is the religion of Roman Republic?
Answer: ancient Roman religion.
Roman religion.
Religio Romana.
Roman polytheism.
ancient Roman polytheism.