Claim: Classical-era Europe provides evidence of two major migration movements: the Celtic peoples, and the later Migration Period from the North and East; both may be examples of general cultural change sparked by primarily elite and warrior migration.
Evidence: Classical-era Europe provides evidence of two major migration movements: the  Celtic peoples in the first millennium BC, and the later Migration Period of the first millennium AD from the North and East. Both may be examples of general cultural change sparked by primarily elite and warrior migration.