Portuguese discovery of the sea route to India It is often regarded as the most important work of Portuguese literature. The work celebrates the discovery of a sea route to India by the Portuguese explorer Vasco da Gama. King Manuel did not share that opinion. Keeping the D. João II plan, he went ahead to equip the ships and chose Vasco da Gama as the leader of this expedition and the captain of the armada. According to the original plan, John II had appointed his father, Stephen da Gama, to head the armada; but by the time of implementing the plan, both were deceased. Portuguese were after spices,
Ottoman naval expeditions in the Indian Ocean against Portuguese attacks. In 1534, Suleiman annexed most of Iraq and by 1538 the Ottomans had reached Basra, i.e., the Persian Gulf. The Ottoman Empire still faced the problem of Portuguese controlled coasts. Most coastal towns on the Arabian Peninsula were either Portuguese ports or Portuguese vassals. Another reason for Turco-Portugal rivalry was economic. In the 15th century, the main trade routes from the Far East to Europe, the so-called spice route, was via the Red Sea and Egypt. But after Africa was circumnavigated the trade income was decreasing. While the Ottoman Empire was a major sea power in the