On July 17, 1980 General Luis Garcia Meza seized power in Bolivia in an exceptionally violent coup, overthrowing the interim president Lidia Gueiler, his own cousin, and installing a brutal dictatorship notorious for its ties to cocaine traffickers and to the Nazi war criminal Klaus Barbie. Gueiler had presided over the June 1980 elections, which favored the leftist Hernan Siles Zuazo and alarmed right-wing officers who feared prosecution for past abuses. Days before Congress was to confirm Siles, Garcia Meza, whom Gueiler had been pressured into naming army commander, launched the coup.
Paramilitary units, aided by Argentine advisers and European neo-fascist mercenaries recruited with Barbie's help, assaulted the labor confederation and silenced radio stations; the socialist leader Marcelo Quiroga Santa Cruz was among those killed. Gueiler was forced to resign and left the country. The regime killed hundreds before Garcia Meza was pressured out in 1981.
Researched Details
Researched
Independent research, added record by record. Hover any label for what it means.
Target identified in Coup Atlas research: Interim President Lidia Gueiler, overthrown on July 17, 1980 by her cousin General Garcia Meza; she was forced to resign and left the country, not physically harmed.
RESEARCHED NAME
Key figures
Lidia Gueiler (interim president overthrown)
Luis Garcia Meza (general who seized power)
Marcelo Quiroga Santa Cruz (socialist leader killed in the coup)
Sources
The congressional ballot process was disrupted on July 17, 1980 by the violent military coup of General Luis Garcia Meza, cousin of the deposed president Gueiler who fled the country, a coup reportedly financed by cocaine traffickers and supported by European mercenaries recruited by Klaus Barbie, former Gestapo chief in Lyon, and Stefano Delle Chiaie, and it began one of the darkest periods in Bolivian history.
SOURCE REVIEWEDWikipedia, History of Bolivia (1964-1982)open source ↗
The Junta of Commanders headed by Garcia Meza forced a violent coup on 17 July 1980, sometimes referred to as the Cocaine Coup, when several Bolivian intellectuals such as Marcelo Quiroga Santa Cruz were killed, and when portions of the citizenry resisted it resulted in dozens of deaths and many were tortured.
SOURCE REVIEWEDWikipedia, Luis Garcia Mezaopen source ↗
As a result of the military insurrection of July 17, 1980, General Luis Garcia Meza Tejada assumed power and thereby deposed the government of Mrs. Lidia Gueiler, based on Gueiler and her ministers' description of their arrest and forced resignation and eyewitness testimony of the paramilitary assault on the Bolivian Workers Confederation.
SOURCE REVIEWEDUniversity of Minnesota Human Rights Library, IACHR Bolivia reportopen source ↗
Over the next 13 months the extremist military government led by General Garcia Meza committed widespread murders, torture, forced exiles, and political persecution, and because U.S. officials implicated some of its leaders in illegal cocaine trafficking the coup became known as the cocaine coup, with some 1,000 people estimated killed by the army and security forces in 13 months.
SOURCE REVIEWEDBritannica, Bolivia from c. 1980 to 2000open source ↗
Editorial Note
Fate coding and killings recorded carefully: the deposed leader, interim president Lidia Gueiler, was forced to resign and left the country, not physically harmed, matching the dataset. The coup itself was extremely violent: the socialist leader Marcelo Quiroga Santa Cruz was killed, dozens died resisting, and the ensuing 13-month regime is estimated to have killed around 1,000 people; every such claim is cited and attributed. Arc closer: this July 1980 cocaine coup CLOSES the extraordinary 1978 to 1980 Bolivian instability arc that this enrichment has tracked through Pereda, Padilla, Guevara, Natusch, and Gueiler (nine presidents in about four years); it ends the fragile democratic transition. Coding note: the dataset labels this a military coup, accurately; its defining features were the backing of cocaine traffickers, Argentine intelligence advisers (Batallon 601), and neo-fascist mercenaries linked to Klaus Barbie, all recorded as documented. Aftermath: Garcia Meza was pressured to resign in 1981 and was later tried, convicted, and imprisoned for human rights crimes and corruption, a separate later development.
Cross-Reference
Datasets agree. At least two of the three reference datasets we check against carry this event, and none of them disagrees about its date or its result.
Identifiers for finding this same event in the other datasets:
Coup Atlas research identifies the target as: Interim President Lidia Gueiler, overthrown on July 17, 1980 by her cousin General Garcia Meza; she was forced to resign and left the country, not physically harmed..
Baseline coding: Incumbent executive removed from power. Recorded leader fate: deposed; not physically harmed. The baseline file does not name individual targets; researched names are kept in a separate layer.
Baseline Dataset Citation
Cline Center Coup d’État Project Dataset, v2.2.2
Peyton, Buddy, Joseph Bajjalieh, Michael Martin, and Andrea Gerald. 2026. Cline Center Coup d’État Project Dataset. Cline Center for Advanced Social Research. V.2.2.2. February 17. University of Illinois Urbana-Champaign. doi: 10.13012/B2IDB-9651987_V10
“President of Bolivia Resigns in the Face of Revolt,” August 5, 1981
“Armed Forces Seize Control of Bolivia,” July 8, 1980
“Junta Takes Control in Bolivia,” August 6, 1981
“AROUND THE WORLD; Bolivia Reopens Colleges Closed Since 1980 Coup,” June 16, 1981
This is the citation trail carried by the baseline dataset, grouped by outlet and rejoined from the line-wrapped original. Coup Atlas has not independently re-checked every document; read the original before citing a specific claim. URLs the import damaged beyond safe repair are shown as plain text and listed in citations-report.md. How this list is built →