Indian Ocean trade Madagascar at this time leaving behind a lasting cultural and genetic legacy. Chinese fleets under Zheng He criscrossed the Indian Ocean during the early part of the 15th century. The missions were diplomatic rather than commercial, but many exchanges of gift and produces were made. The Portuguese under Vasco da Gama discovered a naval route to the Indian Ocean through the southern tip of Africa in 1497–98. Initially, the Portuguese were mainly active in Calicut, but the northern region of Gujarat was even more important for trade, and an essential intermediary in east-west trade. Venetian interests were directly threatened as
Portugal at the 2012 Summer Olympics (up to a maximum of three athletes per event with the 'A' Standard, and one athlete per event with the 'B' Standard): Portuguese swimmers have achieved qualifying standards in the swimming events (up to a maximum of two swimmers per event with the Olympic Qualifying Time (OQT), and potentially one with the Olympic Selection Time (OST)): Portugal qualified two triathletes for the men's event. Portugal at the 2012 Summer Olympics Portugal competed at the 2012 Summer Olympics, held in London, from 27 July to 12 August 2012. The nation celebrated its centennial anniversary participating in the Olympics, having participated at