Transition from Ghana to Mali rule

Timeline

1. 1155Around Kumbi Saleh · SenegalThough the Ghana Empire still enjoyed residual prestige from its trade network, central control over vassals and trade routes had greatly weakened, and savanna peoples and new military strongmen challenged the old tributary system.
2. 1155Upper Niger River basin · MaliMandinka clans accumulated cavalry and trade resources at strongholds like Kanuga, gradually forming a new power core capable of challenging Sosso and Ghana remnants, paving the way for the Mali Empire's later unification of West Africa.