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
Portuguese in the United Kingdom introduced to Britain by Jewish migrants fleeing Portugal and Spain. Some Portuguese emigrated to the UK in the 1950s and 1960s, when guest workers left Portugal for other Western European countries in search of employment opportunities. However, the scale of migration to the UK during this period was small in comparison with Portuguese migration to France and Germany. Some Portuguese migrated to the UK in the 1960s and 1970s, when Portugal was amongst the poorest countries in Europe. Young males also left Portugal at this time in order to avoid being conscripted to fight in the Portuguese Colonial War. More