Return to Article Boko Haram in the Lake Chad Region, 2015 The area of Boko Haram in the Lake Chad Region, 2015 Sokoto Caliphate, 19th century Sokoto Caliphate, 19th century Bornu Empire, 1750 Map of Central-East Africa showing Bornu Empire, 1750 Area controlled by Boko Haram (gray), January 2015 Area controlled by Boko Haram (gray), January 2015 The Sudanic Belt The Sudanic Belt, or Sahel, spanning from Senegal to Eritrea Kanem Borno empire, circa 1380-1870 Kanem Borno empire (dashed line), circa 1380-1870 West Chadic languages of the peoples of Nigeria West Chadic languages of the peoples of Nigeria Hausa-speaking areas of Nigeria Hausa-speaking areas of Nigeria Return to top
