Vietnam's sovereignty over the Hoang SA archipelago during the reign of King Minh Mang through publications in Russia and India, period 1820 -1840

Although there are not many publications containing the content of recognizing the sovereignty of the Hoang Sa archipelago of Cochinchina under the Annam empire during the reign of King Minh Mang with European-American countries such as Italy, Belgium, the Netherlands, and Spain. Nha, Scotland, Germany, USA were introduced by us; but some editions in Russia and India in the period 1820-1840 also have their own characteristics, expressed in the forms of hydrographic memoirs of the world, travel and geographical exploration, magazines, language dictionaries with languages The main languages are English, Russian and French. In this issue, the publications in India and Russia are introduced by us in three main groups of topics: recognition of Hoang Sa archipelago as belonging to the geographical territory of Cochinchina of the Annamite empire; recognize the Hoang Sa archipelago under the sovereignty of the Annam empire; and recognized that the Annam Empire had officially taken possession of the Paracel Islands in terms of the state since 1816.