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Les pourparlers de paix entre Rome et les Barbares le long du limes rhéno-danubien de 337 à 375

Abstract : Despite the recovery achieved by the Tetrachs and Constantine, relations with the barbarians remained an essential problem for Rome, as illustrated by the 25 sequences of peace talks within the Rheno-Danubian limes that happened between the death of Constantine (337) and Valentinian (375). After understanding the circumstances in which these negotiations were undertaken, the thesis analyzes in a concrete way the involvement of actors. These talks were held in two stages: the contacts with the envoys on the one hand; an ending ceremony on the other. In general, everything took place in barbaricum: impressed by the enemy, terrorized by the sustained ravages, or beaten, the barbarians sent their envoys to the Roman camp in order to solicit peace. The sources present the barbarians as supplicants, but far from doing their deditio, they came to discuss peace clauses. During the second phase, chiefs and warriors had to engage in a supplicatio, a procedure that reminds the deditio ritual. Then, they swore to respect peace clauses, supplying hostages as a guarantee. In exchange, Rome offered its fides likely in the form of a treaty (foedus) making barbarian chiefs "clients". A written document was probably given. It happened only twice in the given period that this ceremony ended with the massacre of the barbarians. Less often, the talks took place in the Roman Empire, while the barbarians were still present. In this case, Rome contented itself with getting their departure (apparently without concluding a foedus), or accepting their deditio and renouncing their expulsion. The sign of the deterioration of the balance of power between the two parties came finally in 369 and 374, when Rome accepted to conclude peace on a neutral ground, treating barbarians chiefs as « friends ». The effects of these peace talks were felt in 376, when Valens had to accept Wisigoths’s entry into the Roman Empire.
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William Charlis Mbadinga. Les pourparlers de paix entre Rome et les Barbares le long du limes rhéno-danubien de 337 à 375. Archéologie et Préhistoire. Université Paris-Est, 2012. Français. ⟨NNT : 2012PEST0016⟩. ⟨tel-00857547⟩



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