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 immediately opened the ports of Brazil to foreign shipping and turned the colonial capital into the seat of government." In 1807, at the outset of the Peninsular War, Napoleonic forces invaded Portugal due to the Portuguese alliance with Great Britain. The prince regent of Portugal at the time, John VI, had formally governed the country on behalf of Maria I of Portugal since 1799. Anticipating the invasion of Napoleon's army, John VI ordered the transfer of the Portuguese royal court to Brazil before he could be deposed. Setting sail for Brazil on November 29, the royal party navigated under the