The journal handwritten by an anonymous eyewitness who accompanied the Portuguese explorer in his journey has now been included in the Memory of World Register.
It describes mishaps and success of the voyage and includes the first known list of Portuguese words and its correspondence into the Calicut language.
According to UNESCO, the document written by a participant observer, allows readers of today to experience and imagine every step being described, Portuguese American Journal reported.
Da Gama's voyage to India in the 15th century is considered the first globalisation enterprise in world. The document provides testimony of this historic expedition by a European who has changed the course of history, the report said.
"This manuscript is the only known contemporary copy of the report of the first voyage of Vasco da Gama to India, who journey apart from being one of the greatest pieces of European seamanship of that time, acted as a catalyst for a series of events that would change the course of history," UNESCO stated.
It also describes animals, trees and pant, birds, hostages, tiles and professions, food, musical and nautical instruments, precious stones, villages, difficult navigation situations and much more, the report said.
Established by UNESCO in 1992, the Memory of World Register project includes a total of 299 documents and collections from five continents.
