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
Santiago, Cape Verde Praia, located in the southeast coast, is the largest city on the island, and also the largest city and capital of the country. Other towns on the island include Cidade Velha, west of Praia, Cape Verde's first capital; Assomada, in the centre of the island; Tarrafal in the north; Pedra Badejo and Calheta de São Miguel along the east coast. In the 1830s, Santiago's population was estimated at 30,000. Santiago has always been the most populous island in Cape Verde. The island population has doubled since the independence of Cape Verde in 1975. The population of the island was 294,135