What is the first opening of manila in world trade?

The first opening of Manila to world trade occurred in 1571 when Spanish colonial authorities established it as the capital of the Philippines. This event marked the beginning of the Manila-Acapulco Galleon Trade, which lasted for over 250 years, facilitating trade between Asia and the Americas. Manila became a crucial hub for the exchange of goods, culture, and ideas, linking the East and West and significantly impacting global trade networks.