Oti–Volta languages Oti–Volta languages The Oti–Volta languages form a subgroup of the Gur languages, comprising about 30 languages of northern Ghana, Benin, and Burkina Faso spoken by twelve million people. The most populous language is Mõõré, the national language of Burkina, spoken by five million people. The family is named for the Oti and Volta rivers. The internal classification of Oti–Volta, as worked out by Manessy 1975–79 and Naden 1989 (Williamson & Blench 2000) is as follows: Native Dagbani speakers assert that Dagbani is mutually intelligible with Dagaare, Frafra, Mamprusi, and Wali, but in the case of Dagaare, Frara and Wali it
Postage stamps and postal history of Burkina Faso to be issued throughout the 1920s, then superseded in 1928 by a definitive series of 23 stamps featuring three designs: a Hausa chief, Hausa woman, and Hausa warrior. Upper Volta also participated in the Colonial Exposition Issue of 1931. In 1932 the colony was dissolved and its territory divided between Côte d’Ivoire, French Sudan and Niger. Upper Volta was reconstituted in 1947, its postal administration continued to be part of French West Africa until the establishment of the Republic of Upper Volta in 1958. The Republic operated its own postal system, and issued its first stamp in 1959, marking the