- 2000 — Katsina becomes the 6th state to adopt criminal Sharia; isolated cases including the Amina Lawal stoning sentence (2002, overturned on appeal Sept 2003) draw international attention.
- 2007 — Yar'Adua (native of Katsina) wins presidency; succeeds upon death 5 May 2010.
- 2009–2014 — Boko Haram cross-border incursions from Borno into Daura and Mai'Adua LGAs.Northern Abandonment Cycle
Katsina State · Crisis deep dive
Fourth Republic — Obasanjo, Yar'Adua, Jonathan (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.