The anti

Following the traditions of the preceding feudal dynasties, efforts were made by the Nguyen Dynasty (Vietnam) to prevent piracy and ensure security and marine safety in the South China Sea during the first half of the nineteenth century. The Nguyen Dynasty directed its energies towards national interests and showed an elevated level of international awareness and responsibility, especially at the beginning of the successful cooperation with Qing Dynasty (China) to resolve this widespread problem. This article examines the attempt of the Nguyen Dynasty to suppress the raiding and looting of pirates in the South China Sea, and its important achievements in this difficult and dangerous work. Addressing this non-traditional security problem also helped confirm the Nguyen Dynasty’s possession of islands within the South China Sea, including the Paracel Islands and the Spratly Islands