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LiveScience
LiveScience
Tom Metcalfe

Roman temple found in France may have been dedicated to war god Mars

a drawing of a some temple with a reddish roof and white walls surrounded by a wall with the same coloring. In a neighboring field, people can be seen getting water at a well and tending to a flock of sheep.

Archaeologists in northwest France have unearthed what may have been a temple to the Roman war god Mars, dating to the first century B.C. 

The temple, or sanctuary, is part of a Roman complex spread over more than 17 acres (7 hectares) that was discovered last year at La Chapelle-des-Fougeretz, Brittany, and was probably visited by Roman soldiers posted to the region.

"The size of the sanctuary indicates it was an important place for religion," Françoise Labaune-Jean, one of the directors of the excavations and an archaeologist at the National Institute of Preventive Archaeological Research (INRAP), told Live Science.

Related: 31 ancient temples from around the world, from Göbekli Tepe to the Parthenon

La Chapelle-des-Fougeretz has been recognized for its wealth of archaeological remains since the 1970s, and it was first excavated in the 1990s, Labaune-Jean said. The latest excavations started in 2022.

The site is slightly elevated, with a commanding view of the Rennes basin. This viewpoint makes it "likely that religious ceremonies gathered here from Condate [the Roman city in the basin] and the surrounding area,” Labaune-Jean said in an email.

The sanctuary site near the city of Rennes in Brittany was slightly elevated and overlooked the entire region. (Image credit: Emmanuelle Collado, INRAP)
The site was known for archaeological artifacts from the 1970s. The latest excavations by the French archaeological agency INRAP started in 2022. (Image credit: Françoise Labaune-Jean, INRAP)
Hundreds of Roman artifacts have been unearthed at the site, from everyday objects to items that are thought to have been involved in religious ceremonies. (Image credit: Emmanuelle Collado, INRAP)

Roman war god

Archaeologists believe the site was dedicated to Mars after discovering a bronze statuette of the Roman war god in 2022, while iron weapons deposited in a ditch around the sanctuary also suggest that it was frequented by soldiers.

The discovery in 2022 of a bronze figurine of the Roman war god Mars indicates he was one of the deities worshipped at the sanctuary. (Image credit: Emmanuelle Collado, INRAP)

But a large number of terracotta figurines, perhaps representing Venus and mother goddesses, were also found in a nearby pit.

"As is often the case with religious buildings of antiquity, it is difficult to know which deity they may have been dedicated to," Labaune-Jean said, noting that no inscriptions or large statues have been found at the site. "When the study of the objects discovered there is more advanced, it will perhaps be possible to propose other complementary deities."

These bronze handles for a bronze bowl are decorated with eagles, a symbol of Rome and the legions of the Roman army. (Image credit: Emmanuelle Collado, INRAP)

Julius Caesar conquered Brittany — called “Armorica” by the Romans — in 56 B.C.

The sanctuary at La Chapelle-des-Fougeretz seems to date from close to that time and was used until the fifth century A.D., according to a statement from INRAP. 

The archaeologists aren't sure why the complex was abandoned, but it may be linked with the collapse of the Western Roman Empire at about that time.

Temple complex

The many coins found at the sanctuary site are a mixture of Roman and local Gallic money. (Image credit: Emmanuelle Collado, INRAP)

The temple complex expanded over time to include a small town with public baths and a cemetery containing about 40 tombs.

Some of the tombs held items made of silver, such as bracelets, pins and belt buckles, while another had a dagger and parts of a harness for horses. Hundreds of everyday artifacts have also been unearthed there, including furniture and pieces of pottery, glass and metal.

The many artifacts from the sanctuary site are being documented with x-ray scans and 3D digital photography. (Image credit: Françoise Labaune-Jean, INRAP)
Several iron swords and other weapons found in a ditch around the sanctuary indicate it was a place of worship for Roman soldiers posted to the region. (Image credit: Françoise Labaune-Jean, INRAP)

Labaune-Jean role is to quickly preserve and study artifacts unearthed during the excavations, which might otherwise deteriorate quickly when exposed to air or light. X-rays and computerized 3D imaging are also being used to document the discoveries, she said.

Eric Norde, an archaeologist with the Dutch archaeological agency RAAP, who is excavating a sanctuary used by Roman soldiers near Zevenaar, Netherlands, said he's.cautious about assigning the sanctuary at La Chapelle-des-Fougeretz to Mars alone. 

That's because the Zevenaar sanctuary shows that Roman temples were often associated with several deities. "When you look only at the sculptures and the weapons and military equipment, one would conclude only Hercules was venerated," he told Live Science. 

But careful research shows instead that several different gods were worshiped there. "It is quite dangerous to assign a deity to a sanctuary based only on the finds," and not inscriptions or texts, he said.

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