Angola–Cuba Declaration of 1984 which was called the Colonial War. The principal protagonists included the People's Movement for the Liberation of Angola (MPLA), founded in 1956, the National Front for the Liberation of Angola (FNLA), which appeared in 1961, and the National Union for the Total Independence of Angola (UNITA), founded in 1966. After many years of conflict that weakened all of the insurgent parties, Angola gained its independence on 11 November 1975, after the 1974 coup d'état in Lisbon, Portugal, which overthrew the Portuguese régime headed by Marcelo Caetano. Portugal's new revolutionary leaders began in 1974 a process of political change at home
Angola–Soviet Union relations United States, the People's Republic of China and the Mobutu government in Zaïre. The United States, South Africa, and several other African nations also supported Jonas Savimbi's National Union for the Total Independence of Angola (UNITA), whose ethnic and regional base lies in the Ovimbundu heartland of central Angola. The government of the Soviet Union, well aware of South African activity in southern Angola, flew Cuban soldiers into Luanda one week before November 11, 1975, the date on which Angolan nationalists had agreed to declare independence. While Cuban officers led the mission and provided the bulk of the troop force,