Bilala

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The Bilala, or Bulala, are a Muslim people that live around Lake Fitri, in the Batha Prefecture, in central Chad. The last Chadian census in 1993 stated that they numbered 136.629 persons. Their language, divided in four dialects, is of the Nilo-Saharan group, and is very close to that of two of their neighbours, the Kuka and the Medogo. These three people are collectively known as Lisi and are believed to be descendants of main ethnic groups of the Sultanate of Yao.

They first appeared in the 14th century near lake Fitri as a nomadic clan led by scions of the Sayfawa dynasty. Settled east of the Kanem Empire, in today's Chad, they shattered the empire's power, killing five of six of Kanem's mais (kings) between 1376 and 1400. At the end the bulala conquered Kanem and forced the Kanem mais to migrate to Bornu. As a result the Bulala put their hands on Kanem, founding in the 15th century the Muslim sultanate of Yao. But the Kanem-Bornu Empire counter-attacked a century later under Ali Gaji, and at the end Kanem was retaken be Ali's son after a great battle at Garni Kiyala, forcing the Bulala to move east, where they were to remain a menace for centuries to Kanem-Bornu. It continued also to be a flourishing kingdom: the traveller Leo Africanus even thought that the Bulala's reign was richer than Kanem-Bornu for its prosperous trade with Egypt.