From 1598 onward, Dutch merchants traded on the Gold Coast of Africa. Although the Gold Coast was already settled by Portuguese, there was little effort to evict the Dutch, as the military resources were committed to the war in Europe.
This changed after the signing of the Twelve Years' Truce between Portugal-Spain and the Dutch Republic in 1609. The Portuguese now had sufficient resources to protect their trade monopoly, and began attacking the (from the Portuguese viewpoint, illegitimate) Dutch factories on the coast. The factory at Mouri was burned to the ground in 1610. Dutch traders then petitioned the States-General of the Dutch Republic to build a fort on the coast. The States-General was receptive of their demands, and sent Jacob Clantius, who was to become the first General on the Coast, to the Gold Coast in 1611. In 1612, the Treaty of Asebu was signed between the Dutch and the chief of Asebu, which allowed for the establishment of Fort Nassau at Mouri.
History
In 1612, Clantius built a reinforced fort at Mouri, which, due to the unfamiliarity of the Dutch with building in the tropics, was notorious for its unhealthy conditions. In 1624, the Dutch considerably expanded the fort, after the ownership was transferred from the Admiralty of Amsterdam to the Dutch West India Company.[2] Fort Nassau served as the capital of the Dutch Gold Coast from its establishment until 1637, when the Dutch captured Fort Elmina from the Portuguese.