Subnational cultural identities have risen since the 1960s to challenge the nation

Evidence

Since the end of the 1960s, throughout the world, and more particularly in Europe, we have been witnessing the rise of cultural identities which in many respects seem to challenge the nation - the dominant identity of each country - and to make a plea for more recognition in the public sphere. — David Theo Goldberg, John Solomos, A Companion to Racial and Ethnic Studies, 3165