Gujarat South Arabian and Persian Gulf ports, who migrated in and out of Cambay with the rhythm of the monsoons. But others were men with Arab or Persian patronyms whose families had settled in the town generations, even centuries earlier, intermarrying with Gujarati women, and assimilating everyday customs of the Hindu hinterland. The Age of Discovery heralded the dawn of pioneer Portuguese and Spanish long-distance travel in search of alternative trade routes to "the East Indies", moved by the trade of gold, silver and spices. In 1497, Portuguese explorer Vasco da Gama is said to have discovered the Europe-to-India sea route
Portuguese discovery of the sea route to India to serve the possible epic maritime adventure that lay ahead. The travel plan predicted the safety of the route. For this, it was necessary to install trading posts along the way, and build fortresses. The mission was up to the captain of the armada who was provided with many gifts and equipment to brave the seas and diplomatic credentials and perseverance to create links with unknown monarchs who eventually were found along the way. But it was not in the reign of King John II of Portugal that this project, which was already facing a strong opposition from the court,