Cape Verde when Portuguese explorers discovered and colonized the islands, establishing the first European settlement in the tropics. Ideally located for the Atlantic slave trade, the islands grew prosperous throughout the 16th and 17th centuries, attracting merchants, privateers, and pirates. The end of slavery in the 19th century led to economic decline and emigration. Cape Verde gradually recovered as an important commercial center and stopover for shipping routes. Incorporated as an overseas department of Portugal in 1951, the islands continued to campaign for independence, which was peacefully achieved in 1975. Since the early 1990s, Cape Verde has been a stable representative democracy,
Cape Verde designation "Cabo Verde" would henceforth be used for official purposes, such as at the United Nations, even in English contexts. Cape Verde is a member of the African Union. The name of the country stems from the nearby Cap-Vert, on the Senegalese coast. In 1444, Portuguese explorers had named that landmark as "Cabo Verde," a few years before they discovered the islands ("Verde" is Portuguese for "green"). On 24 October 2013, the country's delegation announced at the United Nations that the official name should no longer be translated into other languages. Instead of "Cape Verde", the designation "Republic of Cabo