If you held an OID debt instrument for a calendar year but did not receive a Form 1099-OID, refer to the discussions under Figuring OID on Long-Term Debt Instruments, later, for information on the OID you must report.
Although the Almoravids had substantial contacts with the Maghrib, influences from the black Sudanic kingdoms of Ghana, Mali, and Songhai played an important role in Mauritania's history for about 700 years--from the eighth to the fifteenth century.
Great Songhai kings such as Sunni Ali Ber and Askia Mohammed Toure extended the Songhai kingdom farther than Ghana or Mali had before it and brought an organized system of government to the area. It was the largest and most powerful kingdom in medieval West Africa.