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
Culture of Cape Verde Portuguese language and in Cape Verdean Creole. Eugénio Tavares was the first author who published poetry (Morna poems) in Creole. The rise of cultural, social, and political emancipation of Cape Verde in the 1930s was reflected in the literary reviews "Claridade" and "Certeza", that published works from Cape Verdean authors like João Cleofas Martins, Luís Romano de Madeira Melo, Ovídio Martins, Jorge Barbosa, António Aurélio Gonçalves, Henrique Teixeira de Sousa and Baltasar Lopes da Silva (Osvaldo Alcântara). After independence, there are modern writers such as Germano Almeida, Manuel Veiga, Arménio Vieira, Orlanda Amarílis and more. Cape Verde is known internationally