Berber languages suggests that the C-Group population — which, along with the Kerma culture, inhabited the Nile valley immediately before the arrival of the first Nubian speakers — spoke Afro-Asiatic languages. Roger Blench (2018) suggests that Proto-Berber speakers had spread from the Nile River valley to North Africa 4,000-5,000 years ago due to the spread of pastoralism, and experienced intense language leveling about 2,000 years ago as the Roman Empire was expanding in North Africa. Hence, although Berber had split off from Afroasiatic several thousand years ago, Proto-Berber itself can only be reconstructed to a period as late as 200 A.D. Blench
Berber separatism in North Africa few of the demands of the Berber Spring have been met by the state, and the Berber language is now a national language of Algeria. However, this is still distinct from Arabic, which remains the official language, and many other points of contention remain. In 2014 and 2015 a number of ethnic riot incidents plagued Algeria, with a dozen mortal casualties in violence between ethnic Arabs and Berbers. In February 2017, protests erupted in Algeria, with some 500 protesters marching. The protest was organized by human rights groups, some trade unionists and a small opposition party. Algeria's main opposition forces