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
Names of the Berber people as Numidians and later as Mauri in classical antiquity. These are umbrella terms that would include populations whose self-designation was a variety of tribal names, although Strabo asserts that "Mauri" was also used indigenously. The "Libu" of ancient Egyptian sources, eponymous of the name "Libya" may also have been an early Berber or Proto-Berber population. The term "Berber" is a variation of the Greek original word "barbaros" ("barbarian"), earlier in history applied by Romans specifically to their northern hostile neighbors from Germania (modern Germany) and Celts, Iberians, Gauls, Goths and Thracians. The variation is a French one when spelled "Berbère"