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
Chad–France relations Hollande paid a visit to Chad. France maintains an air force base at N'Djamena International Airport where it has launched humanitarian and counter-terrorism missions to the Central African Republic, Mali and Niger. In 2016, total trade between Chad and France amounted to €211 million Euros. Chad's main exports to France are primarily Gum arabic and oil. France's main exports to Chad include: medicine, flour, cereals, electronic equipment and automobiles. French multinational companies such as Air France, Le Méridien, Novotel, Société Générale and Total S.A. operate in Chad. Chad–France relations Chad–France relations refers to the diplomatic relations between the Republic of