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
Cape Verde–Guinea-Bissau relations Cape Verde–Guinea-Bissau relations Cape Verde–Guinea Bissau relations refers to the bilateral relationship between the Republic of Cape Verde (Cabo Verde) and the Republic of Guinea-Bissau. Cape Verde is an island country about 900 km north-west of Guinea-Bissau, a coastal West African country. Both were colonies of the Portuguese Empire and they campaigned together for independence with a plan for unification, but the countries separated after 1980. The area on the mainland under Portuguese rule now containing Guinea-Bissau was originally called "Guiné de Cabo Verde". Cape Verde was a site of transit in the slave trade from Guinea-Bissau to the Americas.