Charles the Great and the Carolingian Empire
Charlemagne was King and emperor of the Franks. Noted as one of the greatest conquerors in history, his reign is noted for the Carolingian Renaissance.
The Fanks: Predecessors to France
"The Franks (Latin: Franci or gens Francorum) were a confederation of Germanic tribes occupying land in the Lower and Middle Rhine in the 3rd century AD. Some Franks raided Roman territory, while other Frank tribes joined the Roman troops in what was called Gaul (currently France)." Source: Wikipedia