French push beyond coastal enclaves acceleratesJan 1, 1886Labels: Senegal, Niger RiverBritannicaASNOM
France and Britain sign Niger border conventionJun 14, 1898Labels: France, BritainBritannicaNigerConv
Samori Touré is captured by French forcesSep 29, 1898Labels: Samori Tour, Wassoulou EmpireMandingoWikimedia
Voulet–Chanoine expedition advances toward Lake ChadJan 1, 1899Labels: Voulet Chanoine, Lake ChadMissionLougou
Coppolani begins “peaceful penetration” in MauritaniaJan 1, 1901Labels: Xavier Coppolani, MauritaniaMauritaniaBritannica
Federation reorganizes as Upper Senegal and NigerJan 1, 1904Labels: Upper Senegal, Colonial ReorganizationBritannica
Prewar colonial borders and administrations largely settleAug 1, 1914Labels: Prewar Consolidation, French WestBritannicaASNOM