Chad Basin British and French concluded an agreement to clarify the boundary between French West Africa and what would become Nigeria. A boundary was agreed along a line from Say on the Niger to Barruwa on Lake Chad, but leaving the Sokoto Caliphate in the British sphere. Parfait-Louis Monteil was given charge of an expedition to discover where this line actually ran. On 9 April 1892 he reached Kukawa on the shore of the lake. Over the next twenty years a large part of the Chad Basin was incorporated by treaty or by force into French West Africa. On 2 June 1909
Nigeria Nigeria The Federal Republic of Nigeria, commonly referred to as Nigeria (), is a federal republic in West Africa, bordering Niger in the north, Chad in the northeast, Cameroon in the southeast, and Benin in the west. Its coast in the south is located on the Gulf of Guinea in the Atlantic Ocean. The federation comprises 36 states and 1 Federal Capital Territory, where the capital, Abuja is located. Nigeria is officially a democratic secular country. Nigeria has been home to a number of ancient and indigenous kingdoms and states over the millennia. The modern state originated from British colonial