We have found the father of the Roman legion belts in a totally unexpected place: an Asturian cave

The spectacular expansion of the Roman Empire (at its greatest splendor, Rome It covered three continents) was not based solely and exclusively on its numerical superiority and conquering hunger, but also on its ability to absorb and adapt technology. That is, as the legions advanced, Rome absorbed and perfected those military innovations that it found in the conquered peoples. This process of cultural transfer is what allowed the Roman army to evolve from a citizen militia to a professional, standardized war machine.

An example of this assimilation phenomenon is found in the Iberian Peninsula. Within the framework of the Asturian-Cantabrian wars (29-19 BC), the last great conflict of the conquest of Hispania under the mandate of Augustus, is where the military complex found in the La Cerrosa-Lagaña cave (Asturias) acquires critical importance. The study, published in the Spal Magazineevidence that is more than an archaeological remains: it is the material proof of how a belt native to the plateau became the prototype of the iconic cingulum of the imperial legionnaire.

The discovery. He found set It includes a dagger sheath with curved edges accompanied by an articulated bronze belt made up of sheets, a bronze omega fibula, a razor, a spear and human remains. There were also 807 animal remains belonging to 36 specimens of bovids, ovicaprines, equids, suids and canids, as if it were a ritual banquet or sacrifice.

But let’s go to the star element: an articulated suspension belt made of bronze, composed of a buckle and four openwork plates of great technical complexity. This system of riveted plates allowed greater flexibility than leather straps and was not something random: it was a design designed to support the weight of a sheath (like the one found) and allow quick extraction of the weapon in combat. The sophistication of the plates suggests high-quality manufacturing, linked to workshops with a long tradition in iron and bronze metalwork.


Screenshot 2026 04 17 At 12 31 14
Screenshot 2026 04 17 At 12 31 14

Hypothetical reconstruction of the belt and sheath assembly with curved edges found in the La Cerrosa-Lagaña cave. Spal Magazine

Why is it important. This belt is something like the missing link in the evolution of military equipment: it demonstrates that pieces that we traditionally consider “purely Roman” actually have a foreign origin. Their discovery allows researchers to precisely trace the process of technological transfer, documenting how the functionality of Hispanic defensive equipment was absorbed, perfected and standardized by the Roman State to equip its legions throughout the Empire.

Context. The discovery was not found in a military camp, but in a deep and difficult to access gallery in a cave. The context points to liturgical: the research team proposes that it was possibly a captured enemy who was the object of a sacrifice or ritual (possibly a captured Roman soldier), as an offering to the Cantabrian divinities in the face of the advancing Roman army. The dating places the human remains around the 1st century BC. This type of deposits in natural cavities reflects the religious practices of the people of the north and the Plateau, who considered the caves as thresholds to the underworld.

The main hypothesis. The thesis supported by the research team is:

  • Technological hybridization, insofar as the belt was not manufactured in Roman workshops, but in Vaccean and Celtiberian workshops (pre-Roman peoples of the Plateau). It later became the standard belt of the Roman legions, the cingulumto address the need for more flexible and durable equipment.
  • The evolution. There is evidence that the belt plates resemble others found in Roman military camps such as Numancia and Renieblas, what it suggests that local artisans developed prototypes that Rome adopted and standardized.

Yes, but. Beyond the doubt of the ethnic identity of the buried soldier, since it is unknown whether he was a Roman soldier who had adopted the local uniform for its greater efficiency or a native warrior who served as an auxiliary to the Roman topas, the key lies in the origin of the cingulum.

The main thesis points out that the model was the father of the Roman belt par excellence, but more findings are missing from other parts of Europe to confirm that this evolution occurred exclusively in Hispania and was not a parallel process on other borders of the Empire.

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Cover | Jametlene Reskp and Spal (Study of a ritual deposit from the Asturian-Cantabrian wars: the set of the curved-edged dagger from the La Cerrosa-Lagaña cave (Suarias, Asturias, Spain) as a link between the indigenous dagger belts and the Roman cingulum)

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