- Aro-British War (1901–02) — British destroyed the Arochukwu Long Juju oracle and dismantled the Aro trading network
- Biafran Civil War (1967–70)
Crises, wars and protests recorded for this state — grouped by era. Each bullet auto-classifies into one of the seven recurring Patterns of Violence; click a pattern badge for its full pattern card, or expand an era for the bullets within it.
Colonial era (1900–1959)#Deep dive →
- 1929 Aba Women's War (Ogu Umunwanyi) — women across Aba, Owerri, Calabar provinces rose against colonial taxation and the warrant chief system; 50+ killed by British forcesImpunity Loop
First Republic (1960–1966)#Deep dive →
- No major recorded state-level uprising; Abia (then within Eastern Region) sees the regional ripple effects of the 1964 Joint Action Committee General Strike at Aba railway, and the 1965 Western election crisis is felt only second-hand. The defining rupture of this era for the territory is the Biafran War in the next era.Election Crisis PatternEconomic Shock Cycle
Military I (1966–1979)#Deep dive →
- Biafran Civil War 1967–70 — Aba was a key Biafran industrial and logistics city; fell to federal forces in 1968 after intense fighting
Fourth Republic — Obasanjo · Yar'Adua · Jonathan (1999–2015)#Deep dive →
- Aba Bloody Tuesday (1999–2000) — post-election violenceElection Crisis Pattern
Buhari II (2015–2023)#Deep dive →
- #EndSARS 2020 — Aba was a significant protest centreImpunity Loop
See also#Deep dive →
- National Protests & Uprisings register — every documented protest from 1929 to date, with deaths, outcomes and pattern tags.
- The Regional Record — the unified record of protests, looted assets, oil-boom delivery and failure, militarisation, and police brutality.
- Patterns of Violence — the seven recurring patterns referenced by the badges above.