- 1999–2007 Achike Udenwa (PDP) administration — privatisation of Imo Hotels and Adapalm restructuring; widespread allegations of asset stripping.
- 2007–2011 Ikedi Ohakim (PPA → PDP) administration — environmental sanitation "Friday morning" enforcement becomes politically toxic; assault on Catholic priest Fr. Eustace Okorie (2010) costs him re-election.
- 2011–2019 Rochas Okorocha (APGA → APC) administration — "Free Education Mission" and the Imo Wonderland Statues (statues of Jacob Zuma, Ellen Johnson Sirleaf, etc.) become national objects of ridicule; 2019 EFCC seizes 105 properties from his family.
- 2013 Imo State Government House attempted bombing — Boko Haram-linked cell intercepted at Owerri-Onitsha road; minimal coverage.Northern Abandonment Cycle
- #OccupyImo (2012) — civil society protest against Okorocha's autonomous-communities proliferation (404 new Eze stools created 2011–13, doubling chieftaincy stipends).
Imo State · Crisis deep dive
Era II — Fourth Republic & democratic violence (1999–2015)
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.