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
Transfer of the Portuguese Court to Brazil Portugal on April 26, 1821. For thirteen years, Rio de Janeiro, Brazil, functioned as the capital of the Kingdom of Portugal in what some historians call a "metropolitan reversal", i.e., a colony exercising governance over the entirety of the (in this case Portuguese) empire. The period in which the court was located in Rio brought significant changes to the city and its residents, and can be interpreted through several perspectives. It had profound impacts on Brazilian society, economics, infrastructure, and politics. The transfer of the king and the royal court "represented the first step toward Brazilian independence, since the king