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
Science and technology in Cape Verde Economic and Monetary Union, UNESCO, the pan-African Ecobank and the Government of Cape Verde. Science and technology in Cape Verde Science and technology in Cape Verde examines government policies designed to foster a national innovation system and the impact of these policies. Cape Verde remains a model for political rights and civil liberties in Africa, according to a 2014 country study by the African Development Bank. In 2014, it ranked second (after Mauritius) on the Ibrahim Index of African Governance, which assesses 52 countries. On the Human Development Index, it is ranked 123rd. Life expectancy was 75 years in 2013,