- 1979 — Ajaokuta Steel commissioned. By 2026 still uncompleted at a cumulative cost of $8 billion+. See Ajaokuta Steel.
- 1981 — Bassa-Komo / Nupe communal clashes at Lokoja over fishing and farmland.
- 1991 — state creation tensions: the question of which group (Igala, Ebira, Okun-Yoruba) gets the governorship dominates politics from inception.
Kogi State · Crisis deep dive
Second Republic & military era (1979–1999)
Methodology
Tier 1 · primary
Courts. Gazettes. National archives.
Tier 2 · corroborating
OCCRP. HRW. BudgIT. TheCable.
Tier 4 · tertiary, flagged
Wikipedia only where primary is pending. Always labelled.