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.
Songhai became independent of Mali, and rivalled it as the leading power in West Africa. Culture, Religion and Monarchy. The Songhai had settled on both banks of the middle Niger River. They established a state in the 15th century, which unified a large part of the western Sudan and developed into a brilliant civilisation.