1956? 1946 Republic of China sent ships to Taiping island.
On 6 November 1946, the ROC government sent four warships to the South China Sea to secure islands within the region, commanded by Lin Zun and Yao Ruyu (姚汝鈺: ROCS Chung-Yeh (中業號, ROCS Yong-hsing (永興號, ROCS Tai-ping (太平號 and ROCS Chung-chien (中建號. The warships departed from Guangzhou and headed towards the Spratly and Paracel island groups. On 12 December the two ships led by Lin Zun, ROCS Tai-ping and ROCS Chung-Yeh, arrived at Taiping Island. In commemoration of the island being secured, the island was chosen to be named after the ROCS Tai-ping warship, and thus a stone stele reading "Taiping island" was erected on a breakwater tip southwest of the island.[2] The other three ships likewise had their names used in the renaming of Yongxing (Yong-hsing) Island (presently PRC-occupied), Zhongjian (Chung-chien) Island (presently PRC-occupied) and Zhongye (Chung-Yeh) Island (presently Philippines-occupied).
After being secured by Nationalist China, the island was placed under the administration of China's Guangdong Province. When the Chinese communists gained control of mainland China, the defeated Nationalists retreated to Taiwan, but retained control of the Taiping garrison.
It's evident that Taiwan occupied illegally Island of Vietnam with force. 1946 Viet-France war broken, Taiwanese has been withdrawn away.
UN Conference in San Francisco rejected claim of ROC over Islands of Vietnam.
10/1956 Taiwanese returned back to Itu Ba with force when Government changed in South Vietnam after Geneva Agreement 1954. Taiwanese are Island robbers.