International audienceHere, the Germanic peoples are considered as an historiographic object: these are peoples for which the practice of closely-related languages implies a common culture and past, allowing for a unified interpretation of their destiny. At the end of the first century AD, Tacite's Germanie was the first work to look at the different peoples that ancient ethnography classed as Germans. The rediscovery of this work in the 15th century sparked enthusiasm from humanists. Linguistics, defining a family of Germanic languages, then supported the Germanic people's claims to be the common ancestors of all peoples speaking this type of language, ultimately leading to equivalence, for 19th-century researchers like Jacob Grimm, betwee...