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
Ethnic flag of Ararat (1927). A flag of the Hispanic People was designed in 1932. Alternatively, an "ethnic flag" may represent a Pan-nationalism, such as the Pan-Arab flag which originates as the flag of the Arab Revolt during World War I, the proposed flag of Pan-Slavism (1848), Pan-Iranism or Pan-Turkism. The concept of using ethnic flags to symbolize ethnic groups within a multiethnic state, not necessarily connected with irredentism, became popular in the later 20th century, such as the Australian Aboriginal flag (1971), the Assyrian flag (1971), the flag of the Romani people (1971), the Berber flag (1970s), the Sami flag (1986)