Abia State · Crisis deep dive

Military I (1966–1979)

Biafran Civil War 1967–70 — Aba was a key Biafran industrial and logistics city; fell to federal forces in 1968 after intense fighting

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.