 Their reports triggered a gold rush and a commitment by Portugal king to settle Mozambique region where many ethnic groups including the Sena people lived.In 1514, Antonio Fernandez confirmed there were rich goldfields in middle Zambezi valley, the traditional home of Sena people, and the Portuguese interest in colonizing this region grew.Starting with the 16th century, Portuguese traders, farmers and missionaries arrived in the Zambezi valley (stations in Sena, Tete, Zumbo, Quelimane).