Sovereignty of the Hoang Sa islands belonging to the geographical territory of cochin chine through chronicle editions in France during the rule of king minh Mang in Vietnam (1820-1840)

In publications published in France during the reign of King Minh Mang in Vietnam, there is content recognizing the Hoang Sa and Truong Sa archipelagos as belonging to the sovereignty or territory of Vietnam. Glad to see that there are publications in the chronicle genre in many different fields participating. In order to continue to express the above topic, in this issue we introduce to readers a number of chronicle publications in the fields of geography, history, international trade relations, missionary work, and travel. , maritime and colonial. The French editions of chronicles mentioned in the article have the main theme of recognizing the waters of the Hoang Sa - Truong Sa archipelagos as belonging to the geographical territory of Cochinchine - Cochinchina of Vietnam in the East Sea in the early 19th century.