Kingdom at the Niger-Benue confluence ruled by the Attah of Igala.
Incorporated into the British Protectorate of Northern Nigeria c. 1900–1901, ending its political independence; the throne continues today as a traditional institution, the Attah of Igala, in Kogi State, Nigeria.
The atlas holds 6 border frames for Igala Kingdom — the shape you scrub through changes in 1400 · 1515 · 1683 · 1749 · 1765 · 1799.
Continental history for the Niger-Benue confluence states (broad context, not Igala-specific).
Survey of the lower Niger kingdoms including the confluence region (broad context).