6 ago 1661 ano - Portugal and the Dutch Republic sign the Treaty of The Hague, whereby the Dutch Republic's South American colony of Nieuw-Holland is sold to Portugal for the equivalent of roughly 63,000 kilograms (139,000 lb) of gold, and incorporated into Brazil. The territory includes much of what will later become the Brazilian states of Ceará, Maranhão, Paraíba, Pernambuco and Rio Grande do Norte. Among the major Dutch settlements lost are Mauritsstad (Recife), Fort Schoonenborch (Fortaleza), Nieuw-Amsterdam (Natal), a (Linha do tempo)