Explore the complex religious life of ancient Rome, where religion played a vital role in the political, social, and personal aspects of people's lives. From the Temple of Jupiter Optimus Maximus in Rome’s port city of Ostia to local shrines and colossal structures like the Pantheon, the ancient Romans worshipped a pantheon of gods, some local and others imported from across the Mediterranean.
One key feature of Roman religion was its ability to adapt and innovate. New gods were welcomed into the Roman pantheon, often from the peoples Rome conquered or traded with, such as the Egyptian goddess Isis, who became immensely popular by the Imperial period and received a large temple in the Campus Martius. Another example is Mithras, a mysterious god with Persian origins whose worship involved secret underground rituals and appealed particularly to Roman soldiers.
Public temples were monumental structures that marked sacred spaces. They served both religious and practical functions, often housing libraries, halls, and spaces for the public to gather. Temples were dedicated to the well-being of the state, such as the Temple of Saturn, which doubled as the city treasury, or the Temple of Castor and Pollux, linked to military victories.
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Religion was a fundamental part of people's lives in the ancient world, politically, socially,
personally. Here is the temple of Jupiter Optimus Maximus, king of the gods, in the form of
Ostiantica, Rome's port city. This was a key state deity, a colossal figure that protected the state,
along with so many gods and goddesses that were local and later frequently imported.
And so there were many other temples in urban settings, nestled in the urban fabric,
typically with an altar placed in front of the temple steps for an outdoor animal sacrifice.
Here is the temple of Roma and Augustus, which also figures heavily in Roman religion
for the subjects of empire. Local deities specific to a town, modest shrines,
colossal temples like the Pantheon. With gods imported from all over the Mediterranean,
such was the diversity of Roman religion.
What's really Roman about Roman religion? How did the actual system work for veneration of the gods?
It was a very pragmatic religion where the people had to make sure that they
offered that they gave exactly what was prescribed in order to obtain what they expected.
The principle ruling and summarizing this behavior is that I give so that you give, you give me back.
You follow the rites of your ancestors, replicating exact motions and prayers
and wearing specific dress, often with a toga pulled over one's head as a sign of respect
of the gods, to ensure a successful request for support from the gods.
The state would offer specific animal sacrifice. You would also burn incense, offer barley cakes,
and pour libations out of respect as offerings to specific deities, depending on the occasion,
celebration of an annual festival, a temple inauguration, to end a plague,
celebrate the victory in war, and so on.
The Roman religion experience was, in a certain sense, very free because in a polytheistic
religion where, you know, to start with there are many gods, there is always space for more.
It's very different from the concept of monotheism. Nevertheless, there were certain
rules you had to comply with. You definitely had to show up and participate in the rituals for the
official Roman gods, the gods that were associated with the well-being of the state.
Already in the Republican period, there was an explosion of new cults and temples.
Largo Argentina is a magnificent archaeological site with four Republican temples dating between
the third and the first centuries BCE. Now, each temple was originally vowed by a general,
successful in war, and was allowed to then take some of the spoils of war
to construct an individual temple. And they are dedicated to local deities,
Fortuna, Yoturna, Ferronia, and the Lares.
We can turn to the forum to look at some of the state-administered cults.
Such as the Temple of the Castors, who appeared in the forum to announce a victory in the 5th
century BCE, and the Temple of Saturn, whose temple served as the city treasury, and the
office of the fiscal officers, the Quaestors. Temples were busy places, indeed, also living
museums with precious offerings on display. Roman religion also allowed for innovation,
as in the case of the worship of the Roman emperor.
The Pantheon is the world's best-preserved Roman temple.
And the version that we see here is by Hadrian, and it's constructed by 125 CE.
But what's going on with a temple dedicated to all the gods? That's unusual. That's impossible,
because you normally have one temple, one god. So, to have this concept of all the deities
inside one temple is an anomaly. What's going on here?
What you have is a promotion of the deification of the emperor.
So, at the time of the original Pantheon by Agrippa, we know that there was inside Julius
Caesar, newly deified, Venus, Mars, and other gods. Where was Augustus, the emperor at the
time? Well, he was still alive, and his statue was placed in the porch. But eventually, he too
would be deified. So, what you have here is a unique structure, the Pantheon, that's promoting
the deification of the emperor, and there are going to be many emperors that are deified in
Roman history. Temple sanctuaries were delineated by monumental entrances and colonnades to
distinguish sacred spaces from the profane. At the same time, those areas accommodated
libraries and halls next to the temples. Temples which were constructed to fill a need.
A temple to Apollo to ward off a plague. A temple of Portunus to protect the river harbor.
A temple of Hercules in the cattle market, where he once passed by, to keep the merchants
from harm. This was a city filled with deities that watched over its citizens in multiple
aspects of life, and there was always room for more gods. Let's consider your average neighborhood.
Let's think about Trastevere, Trans-Tiberum, the other side of the Tiber River. And what you had
is an international community. People came with their traditions, their beliefs, and their local
deities. And in Trastevere, you had Jewish synagogues, you had Syrian shrines, mixed in with
artisans, craftsmen, merchants, millers. It was a great way to maintain your traditional values and
gods along with the people of Rome that were already there. Along with Jews and Syrians,
there were many others. Celts, Germans, and Egyptians. Isis was an Egyptian deity,
a protective deity, fertility goddess, and she came to Rome through merchants and shippers that
were Egyptian, but ultimately Romans themselves fell in love with this deity. And by the imperial
period, she's going to receive a colossal temple in the Campus Martius area, and she's going to be
paired with Serapis, another deity who is a combination of Osiris and Apis. And when you
look at the city of Rome today, you see so many obelisks. A lot of those obelisks were decorating
the temple complex in the Campus Martius. So who is this woman behind me? She's colossal,
so she's probably a cult statue. She's Isis, so probably she's the cult statue of the lost
temple of Isis in the Campus Martius. Here are two preserved scenes of worship of Isis from
Herculaneum. We can see the distinct priest of Isis, as well as the initiates that fill up the
sanctuary on a festive day. The sanctuary is decorated by sphinx statues, garlands, and palm
trees. The focal point is the altar where offerings are made. There are many different gods that are
going to be arriving on the shores of Italy. The Romans are going to be adapting and adopting
several deities from places that they conquer, but also just from people that are merchants,
people that are trading. And Ostia was a port city, so you had a lot of people coming from
all over the Mediterranean. And one deity that becomes quite popular in Rome and in Ostia is
Mithras. And here he is in one of his temples. And he is a particular god, and his temples are quite
strange and abnormal. So let's unpack this. Mithras was a Persian deity,
but the cult that we recognize today that was very popular in the 2nd and 3rd century CE
was something that apparently was created with its own mythology in the time of the Romans,
probably in Rome itself. So someone that's familiar with some of the aspects of the Persian
deity from ancient Iran that also then has its own kind of mythology that's popularized with
the Roman military. And so you have the temple's indoor spaces, unusual because usually temples
have outdoor spaces for sacrifices. Instead the Mithras would meet in underground spaces like
this or actually in the basement of a bath complex, sometimes in back rooms of warehouses,
sometimes in hidden rooms in private houses. So the Mithras cult is very particular.
You had to be initiated, something extra beyond the state gods, but something that was very
appealing to a lot of people. It was something that had community. It was something in which
you could gather to worship this god who is oftentimes shown depicted killing a bull.
And it's going to have all kinds of astrological and cosmological symbolism
in the mythology of this particular deity. He still is quite a mystery.
The people of the ancient world had many deities to venerate on various occasions,
both publicly and privately. There were communal settings for the public
and smaller gatherings for cults that required initiation. Rome and Ostia exemplified the
multicultural urban settings tied to other civilizations and their deities along the
Mediterranean.