Scarborough Shoal territory claimed by People's Republic of China
Sovereignty dispute
Claims by China and Taiwan
The People's Republic of China and Taiwan (Republic of China) claim that Chinese people discovered the atoll centuries ago and that there is a long history of Chinese fishing activity in the area. The atoll lies within the nine-dash line drawn by China on maps marking its claim to islands and relevant waters consistent with United Nations Convention on the Law of the Sea (UNCLOS) within the South China Sea. An article published in May 2012 in the PLA Daily states that Chinese astronomer Guo Shoujing went to the island in 1279, under the Yuan dynasty, as part of an empire-wide survey called "Measurement of the Four Seas" (四海測驗). No such 13th century map has been made public by China and no evidence on the existence of the map is known. In 1979 historical geographer Han Zhenhua (韩振华) was among the first scholars to claim that the point called "Nanhai" (literally, "South Sea") in that astronomical survey referred to Scarborough Shoal. In 1980 during a conflict with Vietnam for sovereignty over the Paracel Islands (Xisha Islands), however, the Chinese government issued an official document claiming that "Nanhai" in the 1279 survey was located in the Paracels. Historical geographer Niu Zhongxun defended this view in several articles. In 1990, a historian called Zeng Zhaoxuan (曾昭璇) argued instead that the Nanhai measuring point was located in Central Vietnam. Historian of astronomy Chen Meidong (陈美东) and historian of Chinese science Nathan Sivin have since agreed with Zeng's position in their respective books about Guo Shoujing. a 2019 article in the publication Maritime Issues suggested that a common fishing ground for China, Vietnam and the Philippines as the best option to avoid deterioration of the conflict.In 1935, China, as the Republic of China (ROC), regarded the atoll as part of the Zhongsha Islands. That position has since been maintained by both the ROC, which now governs Taiwan, and the People's Republic of China (PRC). In 1947 the atoll was given the name Minzhu Jiao (Chinese: 民主礁; lit. 'Democracy Reef'). In 1983 the People's Republic of China renamed it Huangyan Island with Minzhu Jiao reserved as a second name. In 1956 Beijing protested Philippine remarks that the South China Sea islands in close proximity to Philippine territory should belong to the Philippines. China's Declaration on the territorial Sea, promulgated in 1958, says in part,The breadth of the Territorial Sea of the People's Republic of China shall be twelve nautical miles. This applies to all territories of the People's Republic of China, including the Chinese mainland and its coastal islands, as well as Taiwan and its surrounding islands, the Penghu Islands, the Dongsha Islands, the Xisha Islands, the Zhongsha Islands, the Nansha Islands and all other islands belonging to China which are separated from the mainland and its coastal islands by the high seas.
China reaffirmed its claim of sovereignty over the Zhongsha Islands in its 1992 Law on the territorial Sea and the Contiguous Zone. China claims all the islands, reefs, and shoals within a U-shaped line in the South China Sea drawn in 1947 as its territory. Scarborough Shoal lies within this area.China further asserted its claim shortly after the departure of the US Navy force from Subic, Zambales, Philippines. In the late 1970s, many scientific expedition activities organised by State Bureau of Surveying, National Earthquake Bureau and National Bureau of Oceanography were held in the atoll and around this area. In 1980, a stone marker reading "South China Sea Scientific Expedition" was installed on the South Rock, but was removed by the Philippines in 1997.