Benue State · Crisis deep dive

Late colonial (1914–1960)

1929 Munshi Patrol — Tiv anti-tax resistance crushed.
1939 Nongo u Kwagh-Hir — first organised Tiv anti-tax cultural movement; mass arrests.
1959–1960 Nyambuan ('cleansing') — anti-NPC, anti-tax indigenous cult rises across Tivland; tax registers and Native Authority court buildings burned; mass arrests by Native Authority police.

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.