The first European colonization wave began with Castilian and Portuguese conquests and explorations, and primarily involved the European colonization of the Americas, though it also included the establishment of European colonies in India and in Maritime Southeast Asia. During this period, European interests in Africa primarily focused on the establishment of trading posts there, particularly for the African slave trade. The wave ended with the British annexation of the Kingdom of Kandy in 1815 and the founding of the colony of Singapore in 1819.