Portuguese discovery of the sea route to India Portuguese discovery of the sea route to India The discovery of the sea route to India is the description sometimes used in Europe and among the Portuguese for the first recorded trip made directly from Europe to India via the Atlantic Ocean. It was undertaken under the command of Portuguese explorer Vasco da Gama during the reign of King Manuel I in 1497–1499. Considered by Europe to be one of the most remarkable voyages of the Age of Discovery, it consolidated the Portuguese maritime presence over the Indian Ocean and that country's dominance of global trade routes. The plan for
First Dutch Expedition to Nusantara their spice in Lisbon, Portugal, as they could still make a decent profit by reselling it throughout Europe. However, in the 1590s Spain, which was at war with the Netherlands, was in a dynastic union with Portugal, thus making continued trade practically impossible. This was intolerable, and the Dutch would have been glad to circumvent the Portuguese monopoly and go straight to Indonesia, but the sailing directions needed in order to reach Indonesia were jealously guarded by the Portuguese. However, in 1592 the cartographer Petrus Plancius published a series of charts showing, in exact detail, the route to the Indies.