History1990sUnited Stateshigh confidence

Salomon Brothers' August 1991 admission of improprieties in government securities trading led shortly afterward to the resignation of the firm's senior management.

Notes on verification

Well-documented by contemporaneous NYT reporting and Federal Reserve History archives; corroborated by multiple independent sources with consistent timeline of disclosure and executive resignations. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.875 clusters=2 claim_tier=notable]

Sources