 The Tanquetazo was a failed military coup d'état attempted against Allende in June 1973.In its "", on August 22, 1973, the Chamber of Deputies of Chile asserted that Chilean democracy had broken down and called for "redirecting government activity", to restore constitutional rule.Less than a month later, on September 11, 1973, the Chilean military deposed Allende, who shot himself in the head to avoid capture as the Presidential Palace was surrounded and bombed.