Fretilin in the context of "Indonesian occupation of East Timor"

The Indonesian invasion of East Timor, known in Indonesia as Operation Lotus (Indonesian: Operasi Seroja), began on 7 December 1975 when the Indonesian military (ABRI/TNI) invaded East Timor under the pretext of anti-colonialism and anti-communism to overthrow the Fretilin government that had emerged in 1974. The overthrow of the popular and short-lived Fretilin-led government sparked a violent quarter-century occupation in which approximately 100,000–180,000 soldiers and civilians are estimated to have been killed or starved to death. The Commission for Reception, Truth and Reconciliation in East Timor documented a minimum estimate of 102,000 deaths as a result of the conflict in East Timor during the period 1974 to 1999, as well as a large part of the consequences of Indonesian war crimes during the invasion of Dili, including 18,600 violent killings and 84,200 deaths from disease and starvation; Indonesian forces and their auxiliaries combined were responsible for 70% of the killings.

During the first months of the occupation, the Indonesian military faced heavy insurgency resistance in the mountainous interior of the island, but from 1977 to 1978, the military procured new advanced weaponry from the United States, and other countries, to destroy Fretilin's framework. The last two decades of the century saw continuous clashes between Indonesian and East Timorese groups over the status of East Timor, until 1999, when a majority of East Timorese voted overwhelmingly for independence (the alternative option being "special autonomy" while remaining part of Indonesia). After a further two and a half years of transition under the auspices of three different United Nations missions, East Timor achieved independence on 20 May 2002.

In August 1975, a civil war broke out between two opposing political parties in Portuguese Timor: the conservative Timorese Democratic Union (UDT) and the left-leaning Revolutionary Front for an Independent East Timor (Fretilin). The war took place within the context of decolonisation, as the post–Carnation Revolution Portuguese government sought to give independence to much of the Portuguese Empire. UDT and Fretilin were formed in May 1974, following the legalisation of political parties in Portugal. UDT initially advocated for continuing ties to Portugal, before shifting to promoting a gradual independence process that maintained existing institutions. Fretilin sought independence with a new political system that would address a widespread lack of development in the territory. Also formed during this time was the Timorese Popular Democratic Association (Apodeti), which advocated for an Indonesian annexation of the territory, although Apodeti gained far less popular support than the other two major parties.

Discussions about the future of East Timor took place within the context of the views of neighbouring Indonesia. The Indonesian government saw an independent East Timor with a potentially communist government as a security risk. This view found receptive ears among Western governments affected by the recent loss of the Vietnam War. As the left-leaning Fretilin established itself as a popular political force, Indonesia applied pressure on Portugal and the other East Timorese political parties to find a pathway excluding Fretilin. The UDT and Fretilin found common ground and made a joint proposal to Portugal in January 1975 on a path to independence. However, deep mistrust between the parties, especially between their more radical wings, eventually led to a breakdown of relations.

The Democratic Republic of East Timor (Portuguese: República Democrática de Timor-Leste, Tetum: Repúblika Demokrátika de Timór-Lorosa'e), or simply East Timor or Timor-Leste (Portuguese: Timor-Leste, Tetum: Timór-Lorosa'e) was a state that was unilaterally proclaimed on the territory of present-day Timor-Leste on 28 November 1975 by Fretilin prior to the Indonesian invasion of East Timor nine days later on 7 December 1975.

Its sovereignty was recognised by a small number of states, before it was invaded and subsequently annexed by Indonesia on 17 July 1976. Following continued resistance and growing international pressure, Timor-Leste became independent on 20 May 2002.

Timor is an island in South East Asia. Geologically considered a continental crustal fragment, it lies alongside the Sunda shelf, and is the largest in a cluster of islands between Java and New Guinea. European colonialism has shaped Timorese history since 1515, a period when it was divided between the Dutch in the west of the island (now Indonesian West Timor) and the Portuguese in the east (now the independent state of East Timor).A year after the April 25 Revolution, Portugal consecrated freedom to its overseas provinces. Under conditions of destabilization, propaganda and military pressure from Indonesia, Fretilin finally proclaimed the independence of the Democratic Republic of East Timor on 28 November 1975 with Xavier do Amaral as President and Nicolau Lobato as Prime Minister.

A few days after the proclamation, UDT and three other smaller parties announced the 'Balibo Declaration' - a call calling for the Indonesian government to annex East Timor. Even though it is called the Balibo Declaration, witnesses who signed it testified that the draft declaration was drafted in Jakarta and signed at a hotel in Bali under conditions of coercion as recorded in the report of the Commission for Reception, Truth and Reconciliation for Timor-Leste (CAVR) in 2005.