Berber calendar December - 13 January), and 20 "black nights" (Berber: "iḍan tiberkanin/isṭṭafen", Arabic "al-lyali al-sud"), beginning on the first day of "yennayer", corresponding to the Gregorian 14 January. The first day of the year is celebrated in various ways in the different parts of North Africa. A widespread tradition is a meal with particular foods, which vary from region to region (such as a couscous with seven vegetables). In some regions, it is marked by the sacrifice of an animal (usually a chicken). In Algeria, such a holiday is celebrated even by many people who don't use the Berber calendar in
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