- 2019 governorship Supreme Court ruling (14 January 2020) — Court sacks Emeka Ihedioha (PDP) and installs Hope Uzodimma (APC) despite Uzodimma's 4th-place INEC finish. Triggers state-wide protests and a major legitimacy crisis.
- 2020 #EndSARS Owerri (20 Oct 2020) — peaceful protest at Wetheral Junction; on 21 October 2020 Imo State Government House and INEC office attacked by suspected security-services agents in attempt to discredit the movement.Election Crisis PatternImpunity Loop
- 5 April 2021 — IPOB/ESN Owerri prison and police HQ attack — coordinated assault frees 1,844 inmates from Owerri Correctional Centre and burns Imo State Police Command HQ. Federal government formally proscribes ESN.Grievance-to-Insurgency Pipeline
- 2021–present — IPOB "Sit-at-Home" Monday regime — every Monday Owerri, Orlu and Okigwe shut down; enforcement by armed splinter groups kills shopkeepers and bus drivers who defy. Estimated >700 deaths 2021–24 across the south-east, of which Imo bears the heaviest concentration in Orlu, Njaba, Orsu and Nkwerre LGAs.Grievance-to-Insurgency Pipeline
- 24 May 2022 — Orlu Killings — joint military operation in Orlu LGA kills 30+ in clashes with ESN cells.Grievance-to-Insurgency Pipeline
- September 2022 — Awo-Omamma massacre — gunmen attack a memorial service; 15+ killed.
- 2023 governorship rerun violence (11 Nov 2023) — Uzodimma re-elected; widespread voter suppression in Orlu and Orsu LGAs. Multiple deaths at polling units in Njaba and Nwangele.
- 2024 Aboh-Mbaise & Owerri-West kidnap waves — pattern of high-profile abductions for ransom; the 2024 Coal-Camp Owerri kidnap of a Catholic monsignor became a national story.Northern Abandonment Cycle
Imo State · Crisis deep dive
Era III — Buhari & Tinubu (2015–present)
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.