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
The Portuguese in Dhaka Khan allowed the Portuguese to make a settlement on the bank of Ichamati River (about 25 km south of Dhaka) as the Portuguese showed loyalty to the Mughals. The place where they made settlement located in present-day Muktarpur–Mirkadim area of Munshiganj is still known as "Firingibazaar". Narinda church is thought to be functioning again at this time as Father Anthony Barbier mentioned to spend Christmas at the church in his visit to Dhaka in 1713. From documents of 1789 it can be seen that the only church active at that time is the one in Tejgaon (current Holy Rosary Church,