1982 Guinea-Bissau coup attempt
During the centralization of Guinea-Bissau high ranking Balanta officers attempted to overthrow President João Bernardo Vieira to prevent restructuring the state led by Paulo Correia. == Prelude == Guinea-Bissau had declared independent from Portugal in 1973 following a long insurgency which was recognized by Portugal in 1974.
Source: Wikipedia — 1982 Guinea-Bissau coup attempt (CC BY-SA 4.0)