The Samorian state, also referred to as the Wassoulou empire, Ouassalou empire, Mandinka empire or Samory's empire, was a short-lived West African state that existed from roughly 1878 until 1898, although dates vary from source to source. It spanned from what is now southwestern Mali and upper Guinea, with its capital in Bissandugu; it expanded further south into Northern Sierra Leone and east into northern Ivory Coast before its downfall.