| Date | March 24, 1976 – December 10, 1983 |
| Location | Argentina |
| Caused by | Military coup against Isabel Perón's government; stated justification of restoring order against left-wing insurgency and political instability |
| Resulted in | 10,000–30,000 persons killed or disappeared; Trial of the Juntas (1985); CONADEP Nunca Más report (1984); return to civilian democratic rule under Raúl Alfonsín |
| Parties | Argentine Military Junta · Argentine Armed Forces · Argentine Federal Police · Montoneros · Ejército Revolucionario del Pueblo (ERP) · Mothers of the Plaza de Mayo |
| Lead figures | Jorge Rafael Videla, Emilio Eduardo Massera, Orlando Ramón Agosti, Leopoldo Galtieri, Raúl Alfonsín, Adolfo Scilingo |
The Dirty War (*Guerra Sucia*) was a period of state-sponsored violence and political repression conducted from March 24, 1976 to December 10, 1983 in Argentina. Directed by the [Argentine Military Junta](/wiki/argentine-military-junta-1976-1983) following the coup that deposed President Isabel Perón, the campaign systematically targeted perceived political dissidents, trade unionists, journalists, students, and members of left-wing organizations. Between 10,000 and 30,000 people were killed or forcibly disappeared during the period, according to human rights organizations including the Mothers of the Plaza de Mayo and the National Commission on the Disappearance of Persons (CONADEP).
By the mid-1970s, Argentina had experienced two decades of chronic political instability, marked by alternating civilian and military governments and the suppression of the Peronist movement from 1955 onward. The return of Juan Perón from exile in 1973 failed to stabilize the country; following his death in July 1974, his wife and vice president, Isabel Perón, assumed the presidency amid spiraling inflation, widespread labor unrest, and armed conflict between left-wing guerrilla organizations — principally the Montoneros and the Ejército Revolucionario del Pueblo (ERP) — and right-wing paramilitary groups, most notably the Argentine Anticommunist Alliance (Triple A), which operated with the tacit support of figures within the government itself.
The military, under General Jorge Rafael Videla, General Emilio Eduardo Massera, and Brigadier General Orlando Ramón Agosti, monitored the deteriorating situation throughout 1975. On March 24, 1976, the three service chiefs jointly deposed Isabel Perón in a coordinated predawn operation and dissolved the national congress, inaugurating what they termed the *Proceso de Reorganización Nacional* — the National Reorganization Process. The incoming junta justified the coup as a necessary restoration of order. Within weeks, a formal internal security directive classified an estimated 1,200 categories of political opinion as grounds for detention without trial.
### March–December 1976
The machinery of disappearance was operational within days of the coup. Clandestine detention centers — eventually numbering over 340 across the country, according to CONADEP's 1984 *Nunca Más* report — were established in police stations, military barracks, and requisitioned civilian buildings. The most documented of these was the Navy Mechanics School (ESMA) in Buenos Aires, which processed an estimated 5,000 detainees between 1976 and 1983, of whom fewer than 200 are known to have survived.
Detainees were seized in nighttime operations by plainclothes security forces traveling in unmarked Ford Falcons — a vehicle that became a symbol of state terror throughout the period. Families received no notification of arrests. In cases where detainees were subsequently killed, bodies were typically disposed of in mass graves, thrown from aircraft over the Río de la Plata, or buried in unmarked plots. This practice of the *vuelos de la muerte* — death flights — was confirmed in 1995 when retired navy captain Adolfo Scilingo publicly acknowledged his participation in two such operations, during which a combined total of 30 detainees were sedated and dropped alive into the ocean.
### 1977–1980
International pressure mounted through 1977, when the Carter administration in the United States conditioned military aid on improvements to Argentina's human rights record — a policy that had limited practical effect but produced formal diplomatic friction. The Inter-American Commission on Human Rights conducted an on-site visit to Argentina in September 1979, the first such inspection of an OAS member state, and recorded testimony from several hundred witnesses. The resulting report, published in April 1980, documented systematic torture, extrajudicial execution, and the practice of transferring infants born to disappeared mothers to military families — a phenomenon subsequently confirmed through DNA testing coordinated by the Abuelas de Plaza de Mayo, who have identified over 130 such cases as of 2023.
### 1981–1983
By 1981, the junta's internal cohesion had fractured under the weight of economic mismanagement, with annual inflation exceeding 130 percent and external debt approaching $35 billion. General Leopoldo Galtieri assumed leadership of the junta in December 1981 and, facing mounting domestic opposition, authorized the April 1982 invasion of the Falkland Islands — a military gamble that ended in the [Falklands Conflict](/wiki/falklands-conflict) and Argentina's defeat by British forces in June 1982. The failure of the Falklands campaign fatally discredited the military government. General Reynaldo Bignone assumed the presidency in July 1982 and began a managed transition to civilian rule. General elections were held on October 30, 1983; Raúl Alfonsín of the Radical Civic Union was elected president and took office on December 10, 1983, formally ending military rule.
The Alfonsín government moved swiftly to address the crimes of the preceding period. In December 1983, CONADEP was established under the chairmanship of novelist Ernesto Sabato; it delivered its final report, *Nunca Más* ("Never Again"), in September 1984. The document recorded 8,961 confirmed disappearances and identified 340 clandestine detention sites, and became one of the most widely circulated human rights documents in Latin American history, going through multiple print runs within its first year of publication.
The *Juicio a las Juntas* — the Trial of the Juntas — commenced in April 1985 before the Federal Court of Appeals in Buenos Aires. It was the first time in Latin American history that a democratically elected civilian court had prosecuted a former military government for crimes against humanity. Videla and Massera were sentenced to life imprisonment in December 1985. Subsequent amnesties under the *Ley de Punto Final* (1986) and *Ley de Obediencia Debida* (1987), and presidential pardons issued by Carlos Menem in 1989–1990, temporarily suspended further prosecutions. In 2003, the Argentine Congress annulled both amnesty laws; Videla was re-convicted in 2010 and died in prison in 2013.
The Dirty War is regarded by historians as among the most systematically documented episodes of state terrorism in twentieth-century Latin American history. The CONADEP methodology — the compilation of survivor testimony into a formal state record during the transition period itself — was subsequently adopted as a model by truth commissions in Chile, South Africa, Peru, and elsewhere. The term *desaparecido* (disappeared person), used to describe individuals seized and killed by the state without acknowledgment, entered international human rights discourse directly from the Argentine case and was formally incorporated into the Rome Statute of the International Criminal Court as a component of the definition of enforced disappearance.
The Mothers of the Plaza de Mayo, founded in April 1977 by a group of 14 women who gathered weekly in front of the Casa Rosada wearing white headscarves to demand information about their children, remained one of the most internationally recognized human rights organizations through the end of the twentieth century. Their white headscarf became a globally recognized symbol of non-violent protest against state violence and has been adopted by solidarity movements in over 40 countries.
The period has generated a substantial body of literature, film, and music in Argentina and internationally. Luisa Valenzuela's novel *Cola de lagartija* (1983) and Alicia Partnoy's memoir *The Little School* (1986) are among the earliest literary accounts by survivors. The 1985 film *La Historia Oficial* (*The Official Story*), directed by Luis Puenzo, won the Academy Award for Best Foreign Language Film and brought international attention to the practice of appropriating the children of disappeared detainees. Andrew Graham-Yooll's *A State of Fear* (1986), drawn from his reporting for the *Buenos Aires Herald* during the junta years, remains a standard journalistic account of the period. The Argentine rock movement (*rock nacional*), operating under censorship throughout the junta years, encoded political commentary in allusive language; musicians including Charly García and León Gieco have identified specific compositions from this period as direct responses to state violence.