Cape Verde independence for the archipelago in 1975. Following the April 1974 revolution in Portugal, the PAIGC became an active political movement in Cape Verde. In December 1974, the PAIGC and Portugal signed an agreement providing for a transitional government composed of Portuguese and Cape Verdeans. On 30 June 1975, Cape Verdeans elected a National Assembly which received the instruments of independence from Portugal on 5 July 1975. In the late 1970s and 1980s, most African countries prohibited South African Airways from overflights but Cape Verde allowed them and became a centre of activity for the airline's flights to Europe and the
African Party for the Independence of Guinea and Cape Verde abortive attack by PAIGC guerrillas on Praia. Guerrilla warfare was largely concentrated to the mainland Guinea, however, as logistical reasons prevented an armed struggle on the Cape Verde islands. On the Cape Verde islands PAIGC worked in a clandestine manner. After being nearly crippled militarily, Amílcar Cabral ordered that sabotage be the PAIGC's main weapon until military strength could be regained. On 23 January 1963 the PAIGC started the Guinea-Bissau War of Independence by attacking a Portuguese garrison in Tite. Frequent attacks in the north also took place. In that same month, attacks on police stations in Fulacunda and Buba